煤矿区大气降尘饱和烃分布特征_电子资料文库 关键词:大气降尘;饱和烃;煤矿区 [gap=12847]Key words: dustfall; saturated hydrocarbon; coal-mining area
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coal mining area 煤矿区 ; 煤炭矿区
Fuxin coal mining area 阜新煤矿区
collapsed coal mining area 采煤塌陷
old coal mining area 煤矿采空区
A municipal borough of northern England north of Sheffield. It is a transportation and industrial center in a coal-mining area. Population, 225,800.
英国北部一市政区,位于谢菲尔德以北。是煤矿区的交通和工业中心。人口225,800。
Zhang had set off this morning from the coal mining area in Inner Mongolia.
张是今天早晨从内蒙古的一家煤矿出发的。
Last year, the basic work of coal mining area has been markedly strengthened, coal, coal forecasts evident result.
去年,矿区煤质基础工作得到明显加强,煤质、煤种预报效果明显。
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