单词	watch tackle
释义	watch tackle 预备副滑车
随便看	hydraulic universal staking machine hydraulic universal strength tester hydraulic universal testing machine hydraulic univesal grinder hydraulic unlock Hydraulic upflow rate hydraulic uplift pressure hydraulic upstroke press hydraulic up stroke press hydraulic up-stroke press hydraulic vacuum brake hydraulic vacuum servo hydraulic vacuum valve hydraulicvalve hydraulic valve hydraulic valve atmospheric spring Hydraulic valve block Hydraulic Valve Board hydraulic valve controlling system hydraulic valve cycle hydraulic valve lifter hydraulic valve lifter oil passage hydraulic valves Hydraulic valves for stationary application Hydraulic Valve Tappet