It is wise to start infilling with a layer of gravel for drainage.

先铺上一层利于排水的砾石是个明智的做法。

柯林斯例句

This method provides evidence for the feasibility of pattern infilling.

实例计算和对比论证表明,该方法合理实用.

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The subsidence mechanism, infilling sequence and main recognition criteria of forearc basin are reviewed.

综述了弧前盆地的沉降机制 、 充填序列及主要识别标志.

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This paper introduces the faults change after secondary infilling in Xingnan development area.

摘要阐述了杏南开发区二次加密调整后断层变化情况.

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