lifting spindle 中文意思是什麼
lifting spindle
解釋
升降螺桿-
Globe valve indicates that the stem drive disc along the central spindle of seat make lifting movement, it is a sort of common stop valve. which is mainly used to connect and disconnect medium in pipelines. generally, it is not used to adjust flow
截至閥是指啟閉件(閥瓣)有閥桿帶動並沿閥座中心軸線做升降運動的閥門,是一種常用的截斷閥,主要用在接通或截斷管路中的介質,一般不用於調節流量。
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