The material selection, mix-gradation design and construction technology for using iron tailings as pavement base are described in detail.
对铁尾矿做路面基层的材料选择、配合比设计和施工工艺进行了较详细的阐述。
The article details material selection, grouting technology and quality inspection in the treatment of defects in concrete of the permanent ship lock of Three Gorges.
针对三峡永久船闸工程混凝土缺陷的类型，介绍了缺陷治理选用的材料，并对灌浆工艺、施工注意要点、灌浆质量检验作了详细介绍。
The process of weaving 290T Xue-ke fabric with superfine Tex polyester filament is introduced from the aspects of material selection, technological process, equipment type, technology design, etc.
文章介绍了生产涤纶超细特丝织布290T雪克产品的原料选择、工艺流程、设备型号、工艺设计过程。
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