... 聚积管 collecting main ; collect pipe 聚积带 zone of accumulation 聚积层 accumulation horizon ; illuvial horizon ...
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down-pipe collect box 下流管集合箱
Reservoirs collect river water and pipe it to thirsty cities and parched fields. Rivers that once carried our ancestors' canoes now carry huge ships.
水库储蓄河水，然后，被送到缺水的城市和干渴的田野。我们祖先的独木舟曾经航行过的河流，现在浮载着我们的巨轮。
Discusses the selection line methods of convey coal pipe of long distance, from the angles of selection line principle, and the basic data to collect, etc.
本文从选线的原则、选线需搜集的基础资料等角度，论述了长距离输煤管道线路的选线方法。
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