利用废石膏和水泥配合加固软土，与单纯用水泥加固相比，可显著提高加固效果。

Experimental research and engineering practice proved that the result of stabilizing soft soil with waste gypsum and cement is much better than that with cement only.

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他们已经叫人用水泥把坑道加固。

They have had the tunnel shored up with concrete.

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采用水泥粉喷桩方法加固软土地基具有许多优点，得到广泛的应用。

Strengthening the soft soil basement with cement power spraying pile has a lot of advantages, so it is widely used.

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