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液氮罐充填前需檢查外殼有無缺陷

時間:2020-08-26 11:08來源: 作者:班德液氮罐 點擊:
液氮罐在充填前,要檢查外殼有無凹陷,真空排氣口是否完好。若被碰壞,則真空度會降低,嚴重時進氣不能保溫,這樣罐體上部會結(jié)霜,液氮損耗大,失去繼續(xù)使用的價值。
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