词汇	cut-off disk
释义	cut-off disk 切割砂片
随便看	propeller pull propeller pull-up distance propeller pull-up force propeller pump propeller-pump propeller pump-turbine propeller push up distance propeller race propeller race, slipstream propeller racing propeller radius propeller rake propeller reduction gear propeller reduction gearbox propeller reference line propeller regulating mechanism propeller-regulating mechanism propeller reinforcing girder propeller removing device propeller repair shop propeller reversing propeller revolution propeller revolution counter Propeller Revolution Indicator System propeller revolutions