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                加藥計量泵制造商有哪些?
                來源:www.yvettesblogs.com? 發布時間:2015-01-07 11:22?? 瀏覽次數:
                加藥計量泵制造商有哪些?
                電機經聯軸器帶動蝸桿并通過蝸輪減速使主軸和偏心輪作回轉運動,由偏心輪帶動挺桿在導筒內作往復運動。連同膜片,通過單向閥的作用使泵腔內逐漸形成真空,吸入閥打開,吸入液體;
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