... air blanketing 空气夹层 nitrogen blanketing 充氮 blanketing gas 密封气体 ; 填充气垫 ...
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nitrogen blanketing protection 充氮保护
nitrogen blanketing valve 充氮管
Nitrogen Blanketing & Purging 氮气吹扫
Conclusion Products of qualified clarity and color can be obtained with domestic raw materials and 5 selected types of butyl rubber stopper in nitrogen blanketing process.
结论采用充氮生产工艺和国产的头孢呋辛钠原料以及5种筛选的丁基胶塞，可生产出澄清度和颜色合格的注射用头孢呋辛钠。
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