然而，一氧化碳气体是非常致命的。
部分一氧化碳气体残留在钢锭内部，最终在钢中形成气泡。
Some CO gas remains in the ingot, and eventually blow holes are formed in the steel.
首次对低渗透油田压裂增产过程中一氧化碳气体生成机理进行了综合研究。
The generation mechanism of CO during fracturing stimulation in low permeability reservoir is first studied in this paper.
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