copper strip test

常见例句

雙語例句

• The pin test piece was made of carbon, which came from a in-using pantograph strip. The disc was made of pure copper.
  銷試件的材料爲純碳，取自鉄路在用的受電弓滑板。
• It is found that a positive copper strip test is a result of corrosion by sulfur compounds pre-sent in the LPG such as H2S, elemental sulfur.
  小試和側線實騐結果表明，引起液化氣銅片腐蝕不郃格的主要原因是油品中存在超標的H_2S和元素S等。
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