那几个网赌网站正规

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                單螺桿泵

                概述: 單螺桿泵是利用螺桿◥的回轉來吸排液體的。中間螺桿為主動螺█桿,由原╳動機帶動回轉, 兩邊的螺桿為從動螺桿,隨主動螺桿作反向旋︻轉。單螺桿泵按螺桿數目分為單螺桿泵、雙螺桿泵和三∮螺桿泵等,單螺桿泵工作時,液體被吸入後就進入螺√紋與泵殼所圍的●密封空間,中間螺多點擊幾下桿為主動螺桿,由原動機帶動回轉◣,兩邊的螺桿為從動螺桿,隨主動螺桿作反向旋轉。主、從動螺 桿的螺紋均為雙頭螺♀紋。
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