单词	腳後跟
释义	腳後跟1. heel
随便看	mechanical oscillograph mechanical output mechanical overload mechanical overload capacity mechanical overspeed trip point mechanical pantograph mechanical pantograph manipulator mechanical paper mechanical papillae mechanical parallel circuit mechanical part mechanical peeling mechanical pencil mechanical phenomenology mechanical-physical separation process mechanical pilot mechanical pitch control mechanism mechanical plating mechanical plating/ galvanizing mechanical-pneumatic governor mechanical polishing mechanical power mechanical power coal sampling equipment mechanical power s mechanical powers