The Support Technique of The Anchored Bar, The Sprayed Concrete Associated with Thereinforcement Mat Which is Used in the Construction of the Shallow Flabbiness Tunnel是什么意思_The Support Technique of The Anchored Bar, The Sprayed Concrete Associated with Thereinforcement Mat Which is Used in the Construction of the Shallow Flabbiness Tunnel在线翻译_英语_读音_用法_例句