词汇	金属垫块
释义	金属垫块 backing metal
随便看	general position of a project general positive definite matrix general positive recorded announcement general possibility theorem general post general postmortem program general post office general post-office General potato general potential general potential functions General Pottery and Porcelain general power general power graphite electrode general power of appointment general power of attorney General Powers of the Panel general practical materialism general practice general-practice General Practice,Dental Generalpractice education General practice education General practice medical education general practice medicine