blockages相关论文
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Sewer blockages are on the increase whilst water closet (WC) flush volumes are on the decrease. Furthermore, Water UK re......
采用了系列的有机化学实验,定性分析了乙二醇生产装置脱碳系统堵塞物的组成。分析表明堵塞物是由有机物和无机物组成,有机物是含有醇......
The layout of houses and other buildings impacts the way in which foul sewer pipework is positioned internally and exter......