在岩巷施工中对有化学腐蚀性的含水围岩段，大面积淋水或局部涌水处理无效地段，适于采用石材支护。
In the rock roadway construction, the chemical corrosion water-bearing surrounding rock roadway, large area from spilled water or the ineffective partial pouring water part, adapt to stone support.
通过橡胶密封圈和环氧树脂填封达到稳定的密封性，可以在会淋水或多尘埃的地方使用。
To be stably sealed by sealed rubber ring and epoxy resin. can be used in wet or dusty places.
通过橡胶密封圈和环氧树脂填封达到稳定的密封性，可以在会淋水或多尘埃的地方使用。
To be stably sealed by sealed rubber ring and epoxy resin. can be used in wet or dusty places.
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