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Propagate way is one of three basic link that infectiousdisease take place.It is Important meaning to prevent porcinedisease that understanding spread way of porcine disease and A-dopting the effective measure of cutting off.

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本文着重介绍人工挖孔砼灌注桩与三角门式钢支撑相结合来控制基坑及围墙的变形,确保基坑的稳定安全、主体结构施工顺利进行。