汪清县东北部中生代火山断陷盆地火山岩中夹一套含煤碎屑岩地层。
The Mesozoic volcanic rocks are interbedded with a series of coal-bearing clastics in the faulted basin in the northeastern part of Wangqing County.
一连数小时注视着中夹分道线这样一个单调、几乎能催眠的过程是被严重低估的威胁生命的重大隐患。
The monotonous, almost hypnotic process of staring at the center divider for long hours is a grossly underestimated, life-threatening hazard.
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