The precision of liquid column manometer was described. The correct use method and error correction of U tube manometer and double tube differential pressure gauge were analysed.
叙述了液柱式压力计的精度，对U形管压力计和双管差压计的正确使用方法及误差修正做了简要分析。
SY1 series downhole pressure gauge is made of spring tube.
SY1型系列井下压力计，是一种弹簧管式井下压力计。
The main fuel tank must have all the following: a filler tube, a ventilation system, fuel pickup tube and filter, plus a gauge-sending unit.
油箱必须装备以下元件：加油管、油箱通风系统、吸入管、滤清器和油量传感装置。
It is not advisable to lengthen the pressure gauge service life of sulfurous gas pipeline by improving the material behavior of spring tube.
指出从改善弹簧管的材质入手来提高含硫天然气管道用压力表的寿命是不可取的。
In short, according to the two gun pressure gauge readings, you can determine whether the leakage and blockage of the tube.
总之，根据两杆枪压力表读数的情况，可以判断出管束是否泄漏和堵塞。
The presentation of usage of liquid column manometer. The correct use method and error correction of U tube manometer and double tube differential pressure gauge were analysed.
主要介绍了液柱压力计的正确使用方法和误差分析。给出了U 型管压力计和双管差压计的测量精度。
Single - or multiple leakage test, by suppressing media filling quantity is small, if the tube bundle leakage, easy to from the pressure gauge on the fast show pressure drop.
单管或多管试漏时，因打压介质充填量小，若管束有漏点，易于从压力表上快速显现出压降。
Fill with water, attach a plastic tube and pressure gauge and you're in business for motors with peak thrusts up to 140 LBS.
填补与水，附上塑料管和压力计和您的业务为汽车与山顶的主旨至140磅。
Medium pressure, high pressure, ultra-high pressure two-color water level gauge, magnetic level Meter, tube of liquid.
中压、高压、超高压双色水位计、磁浮式液位计、管式液面计。
The surface residual stress of tube and bar after drawing straightening and annealing, under different processing conditions, were measured by means of resistance strain gauge.
用电阻应变片法测试了管棒材拉拔、矫直和退火过程中产品表面残余应力，研究了管棒材残余应力随工艺参数变化的规律。
The obtained quartz tube has wide gauge, good quality, can be fully suitable for semiconductor technical requirement.
所得石英管规格大、质量好，完全适用于半导体技术要求。
Main structured items are: JDQM full face mask, air supply valve, pressure regulator valve, backboard, pressure gauge, alarming whistle, medium pressure tube, carbon fiber composite cylinder, etc.
主要结构有：JDQM全面罩、供气阀、减压阀、背板、压力表、报警哨、中压管、碳纤维复合气瓶等。
Main structured items are: JDQM full face mask, air supply valve, pressure regulator valve, backboard, pressure gauge, alarming whistle, medium pressure tube, carbon fiber composite cylinder, etc.
主要结构有：JDQM全面罩、供气阀、减压阀、背板、压力表、报警哨、中压管、碳纤维复合气瓶等。
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