单词	right and left screw
释义	right and left screw左右螺旋桿機械工程
随便看	operation of thermal power plant operation of vehicle maintenance operation of vehicle repair operation order operation order; operations order operation order-- operations order {= opord} operation order; operations order {= opord} operation overhead operation overlord operation packet operation panel operation part operation part--op operation part，op operation pattern operation phaes operation pipeline operation plan operation plan {= oplan operation plan {= oplan-- opplan} operation plan {= oplan; opplan} operation point operation-- power operation preparation for nuclear power plant operation priority