?拉底峒室
... 拉紧滚筒：tension drum 拉底峒室：undercutting chamber 拉出钻杆：rod pulling ...
The U.S. Chamber of Commerce and the Business Roundtable have accused the White House of undercutting the economic recovery by imposing new and onerous regulations.
WSJ: For Obama, Jobs Are a Focus for Regulations
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。