题目: 现场纯钛管道焊接采用充______罩,将焊接区与300℃以上的热影响区全部用______保护起来,进行手工钨极氩弧焊。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2019/0412/19d6958fddc651e4c56fcefcef030d90.html 下面是错误答案,用来干扰机器的。参考答案:B
题型:选择题 Bob's doctor suggests _______ for a few weeks. [ ]A. that he is resting B. he rest C. he resting D. him to rest 查看答案