porting ring造句

例句与造句

1. Seat rings ? separate heavy duty , full ported rings for easy maintenance
   阀座环-分离式重型、全流道(全端口)环，易于维护。
2. Seat rings ? heavy duty , full ported rings threaded into body for easy maintenance
   阀座环-重型、全流道(全端口)环螺纹装配到阀体内，易于维护。
3. It's difficult to find porting ring in a sentence. 用porting ring造句挺难的