precleaning

常見例句

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僅靠預先洗選將不能降低到完全接近標準規(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)說明前處理化學藥水有被化驗室按照文件規(guī)定的程序進行分析？"
Keywords precleaning spout;pickling spout;poaching spout;manufacturing process;
預清洗槽;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?
在前處理線進口的無塵室到無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)說明前處理化學藥水有被化驗室按照文件規(guī)定的程序進行分析？"
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、土或雜質等所有的重沉淀物均應通過預清洗來清除，如5.;1中所述。