9. Room: The floor space approximately 130 square meters, the interior selects the height 6 meters, has interlayer, actually uses 130 square meters.
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Production experiment indicates that this kind of drill bit has ideal effect in the middle-hard broken formation and the soft-hard interlayer as well as in the gravel formation.
生产性试验表明，该类型钻头对于钻进硬而破碎地层、软硬夹层以及卵砾石地层均具有很好的使用效果。
In rock blasting, the rock interlayer has great influence on the quality and effect of blasting.
在土岩爆破中，夹层的存在对爆破质量和爆破效果有着较大的影响。
It is revealed that the montmorillonite interlayer space has the essence of alterability based on the alterability of montmorillonite interlayer space.
从蒙脱石层间域具有可改造性出发，揭示了蒙脱石层间域具有可改造性的本质。
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