Let's _______ the drawing. [ ]
A. to see
B. look
C. see
D. to look at
答案:C
利用局部加热方法将连接处的金属加热至熔化状态而完成的焊接方法,称为()
A.熔化焊
B.气焊
C.电弧焊
在“大摄,骨枯而血沍”中,“沍”之义为()
A.横亘
B.模糊
C.停滞
D.横流