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。
But smaller makeup and perfume companies are piling on the freebies, he said, and it's driving sales.
他说,不过较小的化妆品和香水公司在给出了大量免费产品。这促进了销售量。
Cofferdams are made by driving metal sheet piling into the Bed to form a watertight fence.
在近代工程中,筑围堰时一般先打下钢板桩以形成阻水层。
Cofferdams are made by driving metal sheet piling into the Bed to form a watertight fence.
在近代工程中,筑围堰时一般先打下钢板桩以形成阻水层。
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