... mortar and rocket apparatus 抛绳设备 mortar bed 碎斑沉积; 砂浆垫层; 灰浆层 mortar board 灰砂浆托板; 托灰板 ...
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垫层应先加以潮湿，铺一层厚2～3cm的水泥砂浆，涵管机然后于水泥砂浆凝聚前浇注第一层混凝土。
Mat layer shall first be wet, put a layer of thick 2 ~ 3 cm of cement mortar, he slipped end-over-end machine and then in cement mortar before the first layer of concrete pouring agglomerate.
本发明 形成的垫层砂浆具有强度高，弹性好的优点。
The bedding mortar made through the grouting method has the advantages of high strength and excellent elasticity.
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