基本解释[能源科学技术]抛光短节英汉例句双语例句The sealing points on the nipple and valve outlet are comprised of highly polished torroidal beads.管接口和阀门排气口上的密封点由非常光滑的l垫珠组成。www.airproducts.com.cnpolished nipple更多例句专业释义能源科学技术抛光短节