crankease rear main section

例句：

1. 1.The screws need to be crankeased tighter.
   螺丝需要拧得更紧。
2. 2.The car door was crankeased shut.
   车门被拧得紧紧的。
3. 3.The bolts were crankeased securely into place.
   螺栓被拧得牢牢地固定在位。