电梯机房、井道和底坑外文文献翻译、中英文翻译、外文翻译
Machineroom,Wellandpitoflift1MachineroomNormallylocatedontopofwell(upper-placedmachineroom),machineroomincludestractionmachine,diverterpulley,controlcabinet,overspeedgovernorandmainpowercontrolbox.1-1ControlcabinetLocatedneartractionmachine,controlca...