lack of bond该怎么翻译? in addition to the requirements of paragraph 6.2a, when the hydrogen partial pressure exceeds 50 psia {3.5 kg/cm 2 (a)}, the design temperature exceeds 600ºf (315ºc), and an austenitic stainless steel weld deposit overlay is used, the overlay shall be 100 percent ultrasonically examined for lack of bond . indications of a lack of bond shall be recorded and re-examined from the inside. 这是检查堆焊层与母材的贴合率的:lack of bond---贴合不紧? 可参看一下 jb 4730 。 查看更多