closed-type motor

电梯英语 - 水宝贝的日志 - 网易博客 ... closed-loop control 闭环控制 closed-type motor 闭合式电动机 closer 关门器 ...

... closed-type hot-water heat-supply system 闭式热水供热系统 closed-type motor 封闭型电动机 closed-type slot 闭口槽 ...