?抽拉夹头
... 抽拉作用 wiredrawing 抽拉夹头 draw chuck 抽拉速率 withdrawal rate ...
内拉簧夹盘 ; 吸式卡盘
内弹簧夹头
内拉簧套筒卡盘
Defense Secretary Chuck Hagel has asked Pentagon war planners to draw up contingency plans for these and other "worst case scenarios, " officials have said.
WSJ: Gains by Syrian Army, Hezbollah Renew Pressure on U.S.
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。