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汉语拼音：dǎ zhuāng jī

把桩打入土中的机械。由三部分组成(1)桩锤。是对桩施加冲击，把桩打入土中的机具；(2)桩架。其作用是将桩提升就位，并在打桩过程中引导桩的方向，以保证桩锤沿着要求的方向冲击；(3)动力装置。包括驱动桩锤和卷扬机用的动力设备、管道、滑轮组等。按动作原理分冲击式、振动式和静压式三类。

• A pile-driver is a mechanical device used to drive piles into soil to provide foundation support for buildings or other structures.

  打桩机这种机械设备，是用来把桩子打进土里，给大楼和其他建筑物打地基用的。

• and after the pile sinking is finished, separating the hoop from the pile body and moving the pile driver to a next pile.

  沉桩完毕，将抱箍与桩身分开，打桩机移至下一桩位。

• Some hydraulic power tools that may be at your location are: hydraulic vehicle jacks and rams.

  您所在工作场所的液压动力工具可能有：液压式汽车千斤顶和打桩机。

• In front of me now is just the most enormous building site. There are cranes, piledrivers, lorries.

  现在我正对的就是最大的建筑工地，我们可以看到很多起重机、打桩机和大卡车。

• Hydraulic binders. Sea-water resisting cements.

  水压打桩机.耐海水腐蚀的水泥

• The company mainly produces items such as: large pile-driver on the cylinder, water pumps of the pump, and machine tool box, and so on.

  本公司主要生产铸件如：大型的打桩机上的汽缸，水泵的泵叶，和机床箱体等。

• However, at 8 a. m. , the pile driver started hammering.

  然而，在早上8点的时候，打桩机开始轰鸣了。

• Or is it more like a pile-driver, or even an asteroid strike?

  还是更像一台打桩机、甚至是一次小行星撞击？

• Building construction machinery and equipment - Pile driving and extracting equipment - Terminology and commercial specifications

  建筑机械和设备.打桩机和工业规范