valve spring

• 气门弹簧

valve spring的用法和样例：

例句

1. The cylinder head carries the valves, valve springs and the rockers on the rocker shaft, this part of the valve gear being worked by the push-rods.
   气缸盖携带阀门，气门弹簧和在摇臂杆上的摇臂，这部分的气门传动机构通过推杆工作。
2. Remove valve spring and retainer.
   拆卸阀弹簧和扣件。