ค้นเจอ 20 รายการ

BREATHER

แปลว่า(english) A device which permits air to move in and out of a container or component to maintain atmospheric pressure.

Kelly Ball

แปลว่า(Concrete Engineering) A device for determining the consistency of fresh concrete. It is sometimes used as an alternative to the slump test.

Jacking Equipment

แปลว่า(Concrete Engineering) In prestress concrete, the device used to stress the tendons.

Vibration

แปลว่า(Concrete Engineering) Energetic agitation of concrete to assist in its consolidation, produced by mechanical oscillating devices at moderately high frequencies. (A.) External vibration employs a device attached to the forms and is particularly applicable to the manufacture of precast items and for the vibration of tunnel lining forms. (B.) Internal vibration employs an element which can be inserted into the concrete; and is more generally used for cast-in-place construction.

Block, Jo

แปลว่า(english) Shop name for a Johnnson gage block, a very accurate measuring device.

ADAPTER

แปลว่า(english) A mechanical device used to align the shaft of an electric motor (or other rotary device) with the shaft of a hydraulic pump to maintain radial and parallel shaft alignment.

BACK PRESSURE

แปลว่า(english) The level of pressure on the return or downstream side of a device or system.

Band Dispenser

แปลว่า(english) Device that holds that roll of steel banding.

device

แปลว่ากลไก

Vicat Apparatus

แปลว่า(Concrete Engineering) A penetration device used to determine the setting characteristics of hydraulic cements.

Screen (or Sieve)

แปลว่า(Concrete Engineering) A metallic sheet or plate, woven wire cloth, or similar device, with regularly spaced openings of uniform size, mounted in a suitable frame or holder for use in separating material according to size.

BACK-UP RING

แปลว่า(english) A fabric or plastic device that is used with an o-ring or other gasket to prevent extrusion of the o-ring or gasket into an adjacent space or crevice

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