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GM型沟盖板
GM型沟盖板：道路园区等市政设施的雨水井、尘沙井、下水井、污水井等给排水井孔、气孔、人孔的盖板，均可采用GM型井孔钢格栅板盖，GM型井孔钢格栅板盖一般可设计成可翻式，通常可翻的启闭角度为110度。带角艄的钢格板该不仅防盗而且简化了程序
GM-type trench cover plate: The cover plate of water supply and drainage wells, gas holes and manholes of municipal facilities such as road park, dust and sand wells, sewage wells, etc. can be made of GM-type steel grille plate cover. Generally, GM-type steel grille plate cover can be designed to be reversible, and the opening and closing angle of the reversible steel grille plate cover is 110 degrees. The steel grille with horns should not only guard against theft, but also simplify the procedure.
GM-type trench cover plate: The cover plate of water supply and drainage wells, gas holes and manholes of municipal facilities such as road park, dust and sand wells, sewage wells, etc. can be made of GM-type steel grille plate cover. Generally, GM-type steel grille plate cover can be designed to be reversible, and the opening and closing angle of the reversible steel grille plate cover is 110 degrees. The steel grille with horns should not only guard against theft, but also simplify the procedure.
