Therefore,for the adjustable blade spiral mixed flow pump,the design of fixed guide blade should be paid attention to and the tip clearance of blade should be rationally selected.是什么意思_Therefore,for the adjustable blade spiral mixed flow pump,the design of fixed guide blade should be paid attention to and the tip clearance of blade should be rationally selected.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句