整鱼从脊背处脱骨时,鱼的胸骨是不用去除的。( )
参考答案:错
解析:整鱼脱骨时必须去除脊骨和胸骨。
以上施工人员作业前的教育内容包括哪些?
Machines that use hydraulic pressure including elevators, dentist chairs, and automobile brakes.()
A. exclude
B. excluding
C. include
D. are included