短語詞組短語Paddle -wheel aerator 翼輪式曝氣器Aerator paddle -wheel 翼輪式曝氣器paddle e wheel elevator 葉輪式提陞機(jī)paddle -wheel box 明輪殼Aeration paddle -wheel 轉(zhuǎn)輪式曝氣paddle e wheel 槳輪 返回 paddle wheel