小车变幅机构载重小车运行到最小和最大幅度时，卷筒上两根钢丝绳的圈数均不得小于（）圈。
A.1
B.3
C.2
D.4
参考答案：B
Paul didn’t want to put on the coat. He said that he _________ by his friends.
A．will be laughed at
B．will be laughed
C．would be laughed at
D．would be laughed
信号工一般常用的工具有钳子、（）、螺丝刀、管钳子、手锤、扁铲、冲子、手电钻、锉刀等。
