基本解釋斗式泵詞組短語短語monofilter scoop pump 單體斗式泵scoop pump coupling 斗式泵聯(lián)軸器monoblock scoop pump coupling 單體斗式泵聯(lián)軸器monoinhiqusome kind oftity scoop pump 單體斗式泵hand priming of pump scoop 手勺scoop pump更多詞組專業(yè)釋義機(jī)械工程斗式泵