这个工作需要引入土层和沙层，然后用重机械把它们压制到一起。
The job entails bringing in layers of soil and sand, then compacting it with heavy machines.
这种材料是采用热压制和机械压制进行整体结合后形成的实心同质面板。
Material is integrally-bonded to form a solid homogenous panel with thermal and mechanically-applied pressure.
建立了烧结金属多孔材料连通孔隙形成的模型，通过控制机械压制压力获得了一定孔隙率的金属多孔材料。
Geometrical models are built for connected pores of the sintered porous metal. The mechanical compaction force is controlled to obtain the porous metal with the certain porosity.
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