权威例句
Powered auxiliary hoist mechanismReformed Design of Chengzhuang Auxiliary Hoist Control SystemConstruction of Monorail Hoist Auxiliary Transportation System in Coal MineDesign of wireless monitoring system of auxiliary shaft hoist ropes tensionPowered auxiliary hoist mechanismReformed Design of Fangezhuang Old Auxiliary Hoist Control SystemZhangji Mine Auxiliary Hoist Upgrading and Questions ExistHydraulic auxiliary hoist and crane control for high precision load positioningVoice Display Control System of Mine Auxiliary Shaft Hoist StateDigital Reconstruction of Analogue System for Colliery Auxiliary Shaft Hoist