常見例句雙語例句The said method was successfully used to analyze the unqualified reason of copper-strip corrosion of the liquefied gas.該方法成功地用于液化氣銅片腐蝕不合格的原因分析。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(cè)線實驗結(jié)果表明，引起液化氣銅片腐蝕不合格的主要原因是油品中存在超標的H_2S和元素S等。 返回 copper strip corrosion