What a bad luck day it was for the driver because we got into a traffic jam before we were half way to Dafang – a large goods vehicle fully loaded of coal had its rear wheels trapped by mud!
可惜今天司机运气实在太坏，还开了没一半路呢，又遇上了塞车---一辆运满了煤炭的大货车后轮陷在淤泥里，抛锚了！
Through the alteration of water, material unload system and the fabric of filtration, the optimization for coal and mud water system is achieved, work efficiency is raised highly.
通过对过滤机的卸水系统、卸料系统及过滤机滤布的改造，实现了煤泥水系统的优化，大大地提高了过滤机的工作效率。
By the Gas chromatography and the Gas chromatography-mass spectrogram analysis, the biomarkers in the Lower Cretaceous mud rocks and coals of coal measures from Jixi Basin were studied.
应用气相色谱和色谱—质谱等分析方法，对鸡西盆地下白垩统煤系烃源岩的泥岩和煤岩生物标志物进行研究。
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