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. 查看更多2个回答 . 3人已关注