搬运缸体等有锋利锐角的工件应戴防割手套搬运()
参考答案:对
It would not be ____________for us to attend a formal wedding with the sports clothes. [ ]
A. comfortable
B. appropriate
C. convenient
D. available
加热炉保温衬里脱落后,会引起()。
A、炉外壁局部温度上升
B、炉出口温度上升
C、炉膛内着大火
D、炉膛正压