... 单级减速齿轮 single reduction gear 单侧板式叶轮 single shrouded impeller 有缝管用板条 skelp ...
基于74个网页-相关网页
半闭式叶轮 single shrouded impeller; single shrouded wheel 半封闭式 partially closed type; semienclosed type; semienclosedtype .
基于4个网页-相关网页
single-shrouded impeller 单侧闭式叶轮
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