Pile driving speed, the average 3 minutes can realize piling 6 meters deep, namely a hole three minutes to play.

打桩速度快，平均3分钟可实现打桩6米深，即3分钟可打一个孔。

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Pile driving speed, the average 3 minutes can realize piling 6 meters deep, namely a hole three minutes to play.

打桩速度快，平均3分钟可实现打桩6米深，即3分钟可打一个孔。

youdao