The rapid analysis method of welding quality, acid washing test, for the longitudinally high frequency welded pipe is introduced.
介绍了一种快速分析高频直缝焊管焊接质量的方法——酸洗试验。
This paper describes the cylinder test with T2Y copper pipe in which the initiation method background light source are simplified.
本文叙述了采用T_2Y紫铜管的园筒试验，其引炸方式与背景光源均作了简化。
Since few static tests are carried out to determine the capacity of large - diameter concrete pipe pile, dynamic pile test method is widely used to determine its bearing capacity.
在缺少大直径混凝土管桩静载试验的情况下，现在普遍采用了动测试桩的方法确定大管桩承载力。
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