他们紧紧握住钻井机制动器的手柄。

They held fast to the brake handle on the drilling rig.

youdao

骑车人手柄握得越紧，给前轮的盘式制动器施加的压力就越大。

The more tightly the grip is clenched, the harder the disk brake on the front wheel works.

youdao

骑车人手柄握得越紧，给前轮的盘式制动器施加的压力就越大。

The more tightly the grip is clenched, the harder the disk brake on the front wheel works.

youdao