compact wood

基本解释

Use soft matting, wood or similar material as base for making up diamond or Polycrystalline Diamond Compact (PDC) bits. Follow manufacturer's instructions on handling such equipment.
安装金刚石或PDC钻头时，钻头下面要铺上软席，木头或类似的材料。遵守制造商的指令操作此类设备。
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By whose compact utilitarian heap The present may sit down and go to sleep, Nor fear the ghosts who from the dim past walked, And with us by the unequal light of the old wood fire talked.
有了它这坚密、实用的一堆火，在它前面的人可以坐下，可以安寝，不必怕黑暗中显现游魂厉鬼，古树的火光闪闪地和我们絮语。
Microfoamed PP/ wood flour composites and microfoamed GF/ PP/ wood flour composites have a three-layer structure, contained a middle layer with distributed cells and two compact outer layer.
注塑得到的PP/木粉发泡复合材料和GF/PP/木粉发泡复合材料均呈现三层式夹层结构：中间层分布着泡孔，以及两个结实无泡孔的外层。