outer valve中文什么意思

外舌阀

• outer:    adj. (superl.outer ...
• valve:    n. 1.【机械工程】阀，活门，舌门 ...
• outer valve spring:    刚性缓冲弹簧; 气门外弹簧

例句与用法

1. Outer valve spring
   气门外弹簧
2. The enterprise suining chuanzhong oil field machinery co . , ltd . integrated with us drives out valve housing also among other things
   提供关于阀体、阀箱、阀套、阀门外壳及其它产品的信息。