?单侧板式叶轮
... 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 ...
?半闭式叶轮
半闭式叶轮 single shrouded impeller; single shrouded wheel 半封闭式 partially closed type; semienclosed type; semienclosedtype .
单侧闭式叶轮
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。