Combining with engineering practice, the author briefly states infix methods in gravel at the same area.
本文作者结合工程实践，简单明确的对在不同地区、砾石层中的钻进方法进行了论述。
Combining with engineering practice, the principle and construction technology of this pavement are presented.
结合工程实践，阐述了露石水泥混凝土路面的原理及其施工工艺。
It also discusses the prevention of bored - pile quality accident combining with engineering practice and experience.
进而笔者通过近几年的工程实践与体会就钻孔灌注桩质量事故的预防进行了粗略地探讨。
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