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Bottom chord
| Construction glossary |
- The lower or bottom horizontal member of a truss.
- The lower longitudinal member of a truss.
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Bottom, английский
- Below-center hit on the cue ball
- 1. the underside of a vessel; the portion of a vessel that is always underwater; .
- 1. the part of the body on which you sit. buttock 2. the anus (informal )
- Дно
- The underside of a boat.
- Днище; морское дно, грунт
- A name for rich low land formed by alluvial deposits: but in a general sense it denotes the lowest part of a thing, in contradistinction to the top or uppermost part. in navigation, it is used to denote as well the channel of rivers and harbours as the body or hull of a ship. thus, in the former sense we say “a gravelly bottom, clayey bottom,” &c., and in the latter sense “a british bottom, a dutch bottom,” &c. by statute, certain commodities imported in foreign bottoms pay a duty called “petty customs,” over and above what they are liable to if imported in british bottoms. bottom of a ship or boat is that part which is below the wales.
- [1] a vessel’s lower hull, from bilge-tobilge, including the keel. [2] the sea bed or floor. [3] to sink to and rest on the sea bed (of a submarine).
- Surface in a borehole parallel to face of a drill bit.
- To place a drill bit in contact with the bottom of a borehole.
- To complete a borehole. 4. the landing at the bottom of a vertical or inclined mine shaft.
- Another term for low frequencies, usually below 125 hz.
- Refers to the base support level for market prices of any type. also used in the context of securities to refer to the lowest market price of a security during a specific time-frame.
Bottom, английский
Bottom, английский
Bottom (floor, английский
Bottom (low) pair, английский
Bottom -, английский
Глубинный водозабор dam ~ плотинный водозабор
Bottom app bar, английский
An app bar that appears along the bottom edge of the screen and may include app commands or navigation.
Bottom arm, английский
The arm mechanism which is attached to the bottom rail of a door, connecting it to the spindle of a floor closer or pivot. boss,1 boston hip
Bottom bed, английский
Bottom belt conveyor, английский
Bottom benching, английский
Bottom board, английский
- A removable grating in a small open boat.
- Floor panel of a van, particularly when removable (uk). see also loadfloor. bottoming (1) deflection of a vehicle suspension to its maximum compressive travel due to road surface irregularity or excessive load. (2) deflection of a pneumatic tire so that the carcass is momentarily
Bottom bolt, английский
A bolt at the bottom of a door; locks by slipping into a socket in the floor; may be held in the raised position by a catch.
Bottom bounce, английский
The technique of increasing effective sonar range by allowing transmitted sound waves to ricochet off the ocean floor.
Bottom bracket, английский
The bearing system that the pedals (and cranks) rotate around. contains a spindle to which the crankset is attached and the bearings themselves. there is a bearing surface on the spindle, and ones on the cups that thread into the frame. the bottom bracket
Bottom bracket (bottom braket cartridge), английский
Bottom break, английский
Bottom canch, английский
Bottom cap, английский
Bottom car clearance, английский
The clear vertical distance from the floor of an elevator pit to the lowest structural or mechanical part, equipment, or device installed beneath the elevator car platform (except for guide shoes or rollers, safety jaw assemblies, and platform aprons or guards) when the car rests on its fully compressed buffers.
Bottom chain strand, английский
Horizontal, английский
- Горизонталь; горизонтальный
- Горизонталь; горизонтальный 287
- At right angles to the direction of gravity; on the level; parallel to the horizon; neither vertical nor inclined.
- A direction parallel to the horizon, or what is commonly termed lying flat. one of the greatest inconveniences navigators have to struggle with is the frequent want of a distinct sight of the horizon. to obviate this a horizontal spinning speculum was adopted by mr. lerson, who was lost in the victory man-of-war, in which ship he was sent out to make trial of his instrument. this was afterwards improved by smeaton, and consists of a well-polished metal speculum about 3-1/2 inches in diameter, inclosed within a circular rim of brass, so fitted that the centre of gravity of the whole shall fall near the point on which it spins. this is the end of a steel axis running through the centre of the speculum, above which it finishes in a square for the convenience of fitting a
Longitudinal, английский
- Generally parallel to the direction of the wood fibres.
- Продольный
- Generally, parallel to the direction of the wood fibers.
- Продольный, относящийся к долготе, стрингер
- [1] extending in the lengthwise direction, as distinguished from transverse. [2] said of any fore-and-aft structural member, such as a frame or bulkhead.
- Running lengthwise.
- Along the length of a structure.
- Direction parallel to the long axis of an object and perpendicular to its radius — for example, down the length of a cylinder. compare circumferential; radial; transverse. lot tolerance percent defective (ltpd): the poorest quality, in percent defective, individual lot that is acceptable in a sampling plan. ltpd is the percent defective that will be accepted by the sampling plan at most 10 percent of the time. with such a plan, the producer agrees to supply just enough nonconforming product such the consumer will accept the lot using the agreed to sampling plan and acceptable quality level. compare acceptable quality level. lumen (lm): si photometric unit of luminous flux, weighted according to the photopic vision response. one lumen equals the light emitted by one candela (cd) point source into one steradian (sr) solid angle (1 lm = 1 cd/sr).
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A/c disconnect, английский
The main electrical on-off switch near the a/c condenser.
Butt edge, английский
The lower edge of the shingle tabs.
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