main contactor meaning in Chinese

主接触器

Remark ： when selecting braking unit , main contactor shall be choosen also
备注：选择制动单元时必须同时配上主接触器进行保护。
First the testing progress between he start relay of the electric motor and the main contactor is discussed in detail . in addition , the imitating program of the controlling software how to display the testing progress on the personal computer is introduced too
对劈相机起动继电器与主断路器两种典型电器的测试和通信等功能模块作了详细的描述，并给出了控制软件在pc机上演示和仿真的过程。
Dhi & dcw electrical works acted as main contactor in qinhuangdao port coal terminal fourth phase project and provided the following products and services : car dumper system , conveyor system , two sets of electrical control systems for reclaimer , technical services for central control station , and customer training
秦皇岛港煤四期预留工程总包项目包括：翻车机系统、皮带机系统和两台取料机设备的电控系统成套及人员培训。