If the placing Boom is swiveled 180 degrees from the Basic position to the rear, the end hose can reach every point of the roadway surface being concreted.
如果布料机臂旋转180度从前面旋转到后面，软管末端能伸到要浇注混凝土路面板的任一处。
The grout is installed after final adjustment and installation of the roadway wearing surface.
灌浆是在最终调整和安装桥面磨耗层以后进行的。
It is widely used in coal mine roadway, working surface, and other fields of roadway. It got better efficacy on unstable surrounding rocks.
广泛应用于矿井下巷道，工作面切眼，峒室及其它领域的巷道支护，对处理不稳定围岩效果更佳。
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