Local Cal Gas 局部气体
cal and gas outburst 煤与瓦斯突出
cal gas
卡尔气体
以上为机器翻译结果，长、整句建议使用 人工翻译 。
This paper discusses technical line selection, design planning for methanol production from cal-bed gas by non-catalytic transforming and its technical economy.
本文对技术方案选择、回收煤层气非催化转化制甲醇设计规划与技术经济进行了论述。
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The Cal stopped publishing from 1975 through 1983, as Pirelli struggled with the gas crisis and union problems.
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