This rule was significant for choosing the way of gas injection heat mining of coal-bed.
这一规律对煤层气热采方式的选择具有重要指导意义。
It is applicable to such test as drying, heat treatment, etc.of articles under vacuum conditions in industrial and mining enterprises as well as in medical colleges and scientific research institute.
供工矿企业、医学院校、科研单位在真空条件下进行干燥热处理等。
They suggest that the rush to develop the nation's vast, unconventional sources of natural gas is logistically impractical and likely to do more to heat up the planet than mining and burning coal.
文章指出,急于开发美国大量的非传统天然气资源在后勤保障上不太现实而且可能会比开采燃烧煤炭更会使地球变暖。
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