基本解释[能源科學技術]拋光短節英汉例句雙語例句The sealing points on the nipple and valve outlet are comprised of highly polished torroidal beads.琯接口和閥門排氣口上的密封點由非常光滑的l墊珠組成。www.airproducts.com.cnpolished nipple更多例句专业释义能源科學技術拋光短節