autocontinous helical-coveyor centrifuge 自动连续螺旋卸料离心机...double-helical gear 人字正齿轮...helical fash lamp 螺旋形闪光灯...helical a.螺旋状的螺线...double helical mixer 双螺桨混合器...crossed helical gears [交叉]螺旋齿轮...helical angle 螺旋角...helical blade 螺旋叶片...helical conveyor 螺旋运输机...helical spring 螺簧...helical scanning 螺形扫描...helical blade stirrer 螺旋形片状搅拌器...helical ribbon mixer 螺带搅拌器;螺带式搅拌器;螺带...single helical gear 单螺旋齿轮...double helical ribbon mixer 双螺带混合机...double helical spur gear 人字齿轮...helical fin 螺旋翅片...helical antenna 螺形天边...helical rake angle 轴向刀面角...helical traveling-wave tube 螺旋管...helical line 螺旋线...
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