单词	plunger knob
释义	plunger knob 柱塞旋钮
随便看	impeller shaping impeller side plate impeller sprinkler impeller suction impeller throat impeller thrust-total thrust ratio impeller tip speed impeller torque impeller type chopper impeller type flowmeter impeller type log impeller-type log impeller type pulverized coal feeder impeller-type pulverizer impeller type pulverizer impeller type pump impeller type root chopper impeller type turbine impeller type washing machine impeller-vane impeller vane impeller wheel impeller with two side discs impelleth impelling 554444345 554444351 554444352 554444353 554444354 554444354 554444411 554444412 554444421 5544444*22 马仰人翻马伯六马位马保儿马倌马倌儿马儿马克马克思马克杯