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發(fā)布時(shí)間: 2012-11-3 08:51
正文摘要:填料密封。為防空氣漏入泵缸或液體從缸中漏出,活塞桿一般采用軟填料密封。 由于活塞桿的運(yùn)動(dòng)速度不高,當(dāng)工作壓力p較低、溫度在100℃以下時(shí),填料函中的軟填料一般用浸油的絲麻、棉紗等 ... |
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