The current status of sewer net in Paris and the measures for desilting were introduced.
介绍了巴黎下水道的现状及其清淤防淤措施。
The desilting and warping work on certain sections of the Yellow River is very important.
黄河河段的放淤、清淤工作十分重要。
And with the increase of the installation Angle of desilting bore, the water consumption rate will quickly decrease.
而随着偏转角的增加，相应耗水率减小较大。
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