Article mainly elaborates on aquifers artificial dig-hole pile construction craft!

文主要阐述了对含水层人工挖孔桩施工工艺！

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So the next day Jimmy began to dig. He dug until the hole was deep and the dirt pile was high.

所以第二天，吉米开始挖。他一直挖，直到坑很深了，挖出的土堆得很高了。

youdao

So the next day Jimmy began to dig. He dug until the hole was deep and the dirt pile was high.

所以第二天，吉米开始挖。他一直挖，直到坑很深了，挖出的土堆得很高了。

youdao