contaminated oxygen是什么意思 contaminated oxygen怎么读
contaminated oxygen的用法和样例
- Research works which have been done on oxygen delignification of pulp in the world are reviewed in this paper.
总结了国内外造纸行业对纸浆氧脱木素方面所做的研究工作及取得的研究成果，指出解决漂白废水的白色污染迫在眉睫。 - If liquid oxygen spills on asphalt or other surfaces contaminated with combustibles, do not walk on or roll equipment over the area of the spill.
如果液氧溅到沥青或者其它被可燃物污染的表面，不要在上面行走或辗轧设备。
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