桥头引道沉降控制是防止桥头跳车现象的关键问题。
Control of bridge approach settlement is a key problem to prevent from bumping at bridge head.
实践证明，利用粉喷桩这种措施对于解桥头引道沉陷是行之有效的。
The practice has proved that the method of using the spray powder pile is very useful and effective to solve the depression of bridge approach road.
实践证明，利用粉喷桩这种措施对于解桥头引道沉陷是行之有效的。
The practice has proved that the method of using the spray powder pile is very useful and effective to solve the depression of bridge approach road.
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