下列哪项不属于铆工的工作内容。()
A.放样
B.试压
C.矫正工件变形
D.点焊
参考答案:D
—I am going to Sanya with my family for the National holiday.
— _________.[ ]
A. That's not a good idea.
B. Good luck.
C. Take care.
D. Have fun.
柴油汽车自由加速烟度的检测,一般采用滤纸式烟度计来检测。