空档起动开关零部件
neutral start switch component
可修理部件的零件号
repairable component part number
接触器零部件通用性
extend interchangeability of the common parts of contactor
键控提升器总成零部件
key lifter assembly component
计量段零部件
metering section component
基础零部件
base parts and components
机械提升零部件
mechanical lifting component
机械式提前装置进零部件
mechanical advance component