UW-50需要表面检测的焊缝范? 不同意您的看法。 筒体、封头不是attachment,这个including只是对attachment的进一步解释。 一般 ... 这个词语不是翻译为 附件。。在这里。是连接。 attachment point 附着点 ; 接合点 ; 起赔点 ; 附加点 这是在词典里查到一个这么组合的。参照理解8-1卷里面 用attachment这个词语,也多,如下: ug-30 attachment of stiffening rings strength of attachment welds. all formed heads, thicker than the shell and concave to pressure, intended for butt welded attachment , shall have a skirt length sufficient to meet the requirements of figure uw-13.1, (l) heads concave to pressure, intended for attachment by brazing, c = a factor depending upon the method of attachment of head, (b) on each side of the plane defined in ug-40(a), the strength of the attachment joining the vessel wall and reinforcement or any two parts 查看更多