?联管锥
... 联管锥 unioncone ; union spigot 管锥编 The Pipe and Awl Collection 探管锥套式 probe-drogue ; drogue ...
联管套筒接头
Shutting off the spigot of illegals is imperative to stopping what labor experts see as the undermining of union workers.
FORBES: Labor Won't Embrace Immigrants
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。