词汇	need formulas
释义	need formulas 需求公式
随便看	double rotary axial fan double rotary drum fluidization process double rotary engine double rotating isotope therapy unit double rotating scan double rotating shaft supporting mechanism double rotation double rotation arm double rotation flaps Double rotation inverted pendulum double rotation turbine double rotor double rotor continuous mixer Double-rotor/double-stator double-rotor impact breaker double-rotor impact crusher double rotor induction motor double rotor machine double rotor mill double-rotor mill double rotor mills Double rotor motor double-rotor motor double-rotors Double-rotors