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1·Sediment sorting and compaction influence permeability and porosity.

沉积物的分选和压实作用影响渗透率和孔隙度。

2·As the air space around them is lessened by compaction and melting, the grains become denser.

由于它们周围的空气被压缩、融化而逐渐减少，颗粒变得更加密集了。

3·The coefficient of compaction is 1.22 on the mechanical loader.

机械装载机的压实系数为1.22。

4·User compaction of the mail database.

用户对邮件数据库的压缩。

5·Macadam should be layered paving compaction.

级配碎石应分层摊铺压实。

6·Soil compaction may limit horizontal root extension.

土壤的紧密度能限制水平根的扩展。

7·Bit 1 is the swapped bit that is only used during compaction.

第1位是仅在压缩期间使用的交换位。

8·It causes distortion, compaction, or breakage of components.

这样的方法会导致部件变形，被压缩，或直接破损。

9·The mechanical compaction is the main cause of porosity loss.

压实作用是造成砂岩孔隙度降低的最主要因素。

10·This pause is generally short, unless a compaction is required.

这种暂停通常比较短，除非需要进行压缩。

(1)compaction pile密实桩，压实桩

(1)compaction test压实试验，压实测试

(1)vibratory compaction震动压实；振动成型