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Levelling by squares
| Глоссарий по геодезии |
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Нивелирование по квадратам, русский
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Levelled out, английский
Any line continued out from a given point, or intersection of an angle, in a horizontal direction.
Leveller, английский
Levelling, английский
Levelling (operations), английский
Levelling across river, английский
Levelling course, английский
Levelling defect, английский
Levelling instrument; surveyor, английский
Levelling stud, английский
Levelling target, английский
Levelling telescope, английский
Levelling torquer, английский
Levelling valve, английский
A levelling valve is used to determine the variations in vehicle weight caused by loading and unloading. it is a pneumatic device mounted on the vehicle underframe and connected to the bogie, which measures the body`s vertical displacement relative to the bogie caused by weight changes. the valve sends a pneumatic signal to the traction and braking systems to adjust their rates according to the vehicle weight. it is used in conjunction with air suspension to cause the vehicle height to remain constant regardless of load. the levelling valve is a fairly recent development (in railway terms) over the last 15 years and is used as part of modern traction and braking control systems. some trains can be heard expelling air from their suspension system levelling valves as passengers alight and the system adjusts.
Levelling, pickling, scrapping, английский
Squar, английский
Main-sail. see main-sail.
Square, английский
- A cigarette example hey, can i bum a square?
- A unit of measure-100 square feet-usually applied to roofing and siding material. also, a situation that exists when two elements are at right angles to each other. also a tool for checking this.
- Квадратный
- Результат операции по покупке и продаже валюты, где при¬быль равна убытку.
- To place at right angles with the mast or keel and parallel to the horizon e.g., "to square the yards."
- A квадратный bracket
- An instrument formed by a stock and a tongue fixed at right angles. also, in the army, a formation of infantry devised to resist cavalry. (see hollow square and rallying square.) also, a term peculiarly appropriated to the yards and their sails. thus, when the yards hang at right angles with the mast they are said to be “square by the lifts;” when perpendicular to the ship`s length, they are “square by the braces;” but when they lie in a direction perpendicular to the plane of the keel, they are “square by the lifts and braces.” the yards are said to be very square when they are of extraordinary length, and the same epithet is applied to their sails with respect to their breadth. also, a figure composed of four equal sides and four right angles, is the square of geometry.
- [1] to brace the yards at right angles to the keel. [2] the upper part of an anchor shank. [3] the area at the foot of a hatchway. [4] a rectangular tray on which seamen’s victuals were served (see square meal).
- Академическая шапочка с плоским квадратным верхом
Square, английский
Square (petit jardin de ville), французский
Square and flat, английский
A frame, without molding, containing a flat panel; also
Square and rabbet, английский
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Нивелирование по квадратам, русский
Нивелирование коротким лучом, русский
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