本文介绍了黄河淤泥沙的基本特性，并在此基础上，比较详细地阐述了利用黄河泥沙生产烧结多孔砖的工艺过程。
The paper introduce the base properties of the silt, and disucss the processing of multi-hollow brick used the silt from Huanghe River.
因此开展水力侵蚀的研究，探索水力侵蚀产沙规律，对于土壤侵蚀的防治和各类泥沙灾害的治理，具有极大的生产实践意义。
So studying water erosion and probing the laws of sediment yield, have significant production practice meaning to the prevention and cure for soil erosion and all kinds of silt disaster.
河道主槽两侧修建的生产堤影响滩槽泥沙横向交换，对河床演变带来很大影响。
The productive embankments on the watercourse bottomland disturb the water-sediment lateral exchange between bottomland and main flume, which have great influence on the riverbed evolution.
但由于盲目开发、泥沙淤积和环境污染，导致野生动植物生境被破坏， 生物生产力下降，并造成物种灭绝。
Yet owning to blind exploitation, silt depositing and pollution of the environment, uncultivated animals and plants habitat were wrecking.
主要介绍铸铁管内表面涂衬水泥沙浆的设备、生产工艺及产品的品质检验。
This treatise mainly introduces the equipment and the production technology of cement mortar lining at the inter surface of cast iron pipe and the quality inspection of the products.
主要介绍铸铁管内表面涂衬水泥沙浆的设备、生产工艺及产品的品质检验。
This treatise mainly introduces the equipment and the production technology of cement mortar-lining at the inter-surface of cast iron pipe and the quality inspection of the products.
主要介绍铸铁管内表面涂衬水泥沙浆的设备、生产工艺及产品的品质检验。
This treatise mainly introduces the equipment and the production technology of cement mortar-lining at the inter-surface of cast iron pipe and the quality inspection of the products.
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