正确答案: A
A.上紧贯穿螺栓的时候必须从柴油机中央开始依次向两端一个一个地进行
题目:在防止贯穿螺栓发生断裂的措施中,下列操作()是错误的。
查看原题 查看所有试题
学习资料的答案和解析:
[单选题]A variable pitch propeller is made () a boss with separate blades mounted into it.
up of
[单选题]The distance from TDC to BDC of the diesel engine is called ().
stroke