Sink well is one of built method in deep foundation of soft groundwork, it is used widely in limited ground and limited environment or in deep burying construction.

沉井是软土地基中深基础施工方法之一，在工程用地与环境条件受到限制或埋深较大的地下构筑物工程中被广泛应用。

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Through a successful Engineering example, this paper discussed and summarized the method, principle and attentive items for drawing out deep-well tubes by the construction technique of blasting.

文中通过一个成功的工程实例，初步探讨和总结了用爆破施工法拔出深井井管的方法、原理以及注意事项。

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The technique of immersed well construction is complicate, and it is much more difficult to be applied to the deep foundation of the beach.

沉井施工技术复杂，应用于海滩深基础施工难度更大。

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But Oshkosh made the same kind of mistake that many other well-run companies made at the height of the sub-prime housing boom, buying deep into the construction equipment sector at the top of the market and then suffering a staggering collapse in demand that impaired its capacity to meet debt obligations.

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