mechanical aid机械辅助器
mechanicaladj.机械的;力学的;呆板的
mechanically pumped fluid loop流体回路
mechanical exhaust in corridor回廊排烟
mechanical control engineering机械控制工程
Mechanical surface enhancement机械表面强化
mechanical processing industry机械加工行业
mechanical transmission system机械传输系统
mechanical ice-cover breakup武开河
mechanical agitating clarifier机械澄清池