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連成(集團)有限公司廣東總經(jīng)銷(xiāo)

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  • 如何去改善羅茨泵添加潤滑油問(wèn)題從羅茨真空泵構造中能夠發(fā)現，同步導向齒輪箱與羅茨泵泵腔是通過(guò)內部的油封來(lái)密封的，羅茨真空泵工作后在泵腔內形成必定的真空度，齒輪箱與泵腔會(huì )發(fā)生壓差，在壓差...2016-10-17 10:25:46
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