常見(jiàn)例句It can be seen that precleaning alone would not reduce the total sulfur content of the four coals to levels anywhere near the standards. 參考譯文：可以看出，這四種煤的總含硫量?jī)H靠預(yù)先洗選將不能降低到完全接近標(biāo)準(zhǔn)規(guī)定的水平。"Is there objective evidence that the precleaning chemistries are being analyzed by the laboratory at the documented frequency? 是否有客觀證據(jù)說(shuō)明前處理化學(xué)藥水有被化驗(yàn)室按照文件規(guī)定的程序進(jìn)行分析？"Keywords precleaning spout;pickling spout;poaching spout;manufacturing process; 預(yù)清洗槽;酸洗槽;漂洗槽;制造工藝;6"Is their positive air pressure from the cleanroom at the preclean line entrance into the cleanroom? 在前處理線進(jìn)口的無(wú)塵室到無(wú)塵室是否有很好的空氣壓力？"2"Is there objective evidence that the precleaning chemistries are being analyzed by the laboratory at the documented frequency? 是否有客觀證據(jù)說(shuō)明前處理化學(xué)藥水有被化驗(yàn)室按照文件規(guī)定的程序進(jìn)行分析？"e) Prior to pickling, all heavy deposits of oils, greases, soils or foreign matter other than millscale, rust or rustscale shall be removed by precleaning as cited in 5.1. 酸洗前，除了鐵鱗、鐵銹之外，諸如油、油脂、土或雜質(zhì)等所有的重沉淀物均應(yīng)通過(guò)預(yù)清洗來(lái)清除，如5.;1中所述。 返回 precleaning