Showing items from: June 2018
氮气是我们实验室以及工业生产中必不可少的气体，其应用繁多，用量巨大。如今市场上的氮气供给方式众多，传统的液氮罐及液氮塔式的氮气供给，虽经典却存在着致命的隐患。
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