... pressure-tight box ==> 气密盒 pressure-tight test ==> 耐压试验 pressure-tight weld ==> 气密焊,密封焊道 ...
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pressure tight test 加压气密试验
air tight test pressure 气密性试验压力
water pressure test for tight-ness 水压紧密性试验
gas-tight test pressure [制冷] 气密试验压力
air tight pressure test 气密耐压试验
The present nondestructive inspection techniques are unable to recognize small flaws, the metallurgical drawbacks and tight cracks, low temperature and high pressure proof-test can do it.
目前各种无损检测技术无法确定小裂纹、紧闭裂纹和冶金缺陷，压力验证试验却能弥补这方面的不足。
Discrepancy was found between some test results with equal pressure and higher pore water pressure based on Principle of Effective Stress and that by simulation of gravity of the tight sand.
深部砂土用有效应力原理进行的试验与按模拟自重状态的试验相比，当埋深一定，含水层孔隙水压力较大时，结果存在一定的差异。表明有必要进一步试验研究深部砂土的特性。
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