This compacted material is placed in an oven and sintered in a controlled atmosphere at high temperatures and the metal powders coalesce and form a solid.
被压实的材料置于炉内烧结，在高温下炉内环境可控，金属粉末熔合形成固体。
There is a new blasting technology which utilizes the explosion effect of the explosive to compact the soil to form the underground space with the non-compacted material as the cushion.
一种新型爆破工艺，需要采用不可压缩介质作垫层，利用炸药的爆炸作用对粘土进行挤压，形成地下空间。
That both the structure and material of gravity DAMS and construction means of earth DAMS are used in roller compacted concrete DAMS make them increasingly used in water engineerings.
碾压混凝土坝将混凝土坝结构和材料与土石坝施工方法两者的优越性结合起来，在水利工程中得到愈来愈多的运用。
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