电梯术语
电梯行业中的专业术语
无机房电梯曳引机设置类型 installed types of machineroomless raction achine
无机房电梯曳引机设置类型（installed types of machiner...
碟形永磁同步电动机无齿轮曳引机 disk type traction machine with permanent-magnet motor
碟形永磁同步电动机无齿轮曳引机（disk type traction machi...