【单选题】焊后残留在焊接结构内部的焊接应力,就叫做焊接( )
【简答题】焊后残留在焊接结构内部的焊接应力,就叫做焊接( )A. A.温度应力 B.组织应力 C.残余应力 D.凝缩应力
【简答题】Laura: I might become a teacher when I am older, so I'd like to get some experience first. ( )
【单选题】焊后残留在焊接结构内部的焊接应力,就叫做焊接()
【单选题】焊后残留在焊接结构内部的( ),就叫做焊接残余应力。
【简答题】I might fail, but _______ I insist on doing it. I don' t mind. A. however B. anyhow C. yet D. meanwhile
【单选题】船舶倒车停止性能(制动性能),也称最短停止距离是指船在前进三中开后退三,从______停止移动的这段时间内所前进的距离
【多选题】完整的传感器应包括下面 ( ) 三部分 。
【简答题】补全对话(10分) Yangmei: Hi,Laura!___51____ Laura: Oh,I’ve been to many places,such as Xi’an, Hangzhou,Shanghai,Guilinand Tibet. Yang Mei: ___52_______ Laura: Really? What places have you been to? Ya...