动力推进振捣机
power-propelled vibrating machine
混凝土振捣机
concrete vibratory machine
减振机构
damping mechanism
vibration damping mechanism
isolator
电机机构
motor operating mechanism
光机机构
optical mechanical construction
卸载机机构的工作
unloader mechanism operation
装载机机构
Mechanism of Wheel Loaders
原型结构构构成法
the formation of the fashion prototype