ASTM D1933作为电ç»�缘æ��æ–™çš„æ°®æ°”çš„æ ‡å‡†è§„èŒƒ
日期:2012-02-08 11:37
and if necessary deoxidized by suitable means. Materials shall be tested and the individual grades shall conform to specified values of % volume of nitrogen and rare gases, hydrogen, and oxygen; and dew point.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representati
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