根据公路工程机械行走方式的不同，传动系又可分为（）机械传动系和（）机械传动系两种。
参考答案：轮式，履带
Which of the following underlined parts is different in pronunciation from others?
A．My father asked me to drive slowly.
B．I walked for miles without seeing a house.
C．Study as if you were to live forever.
D．I used to hide myself when I was young.
压缩型耐张线夹的握着力应不小于导线或避雷线计算拉断力的（）。
A、90％；
B、95％；
C、100％；
D、98％。
