An initial investigation showed her seatbelt had broken and a passenger safety bar did not fit tightly enough at the Chaohua Park near the city of Chongqing.
据重庆市朝华文化公园的初步调查显示，她座位上的安全带已经断裂，乘客安全扶手也没有套牢。%。
Chaohua Coal Mine adopts the technology of injecting Malisan material to reinforce broken roof. The method makes the roof more completed and steady and has achieved good results.
超化矿采用注射马丽散材料加固破碎顶板技术，使帮顶的完整性和稳定性加强，取得了很好的效果。
Chaohua Coal Mine adopts the technology of injecting Malisan material to reinforce broken roof. The method makes the roof more completed and steady and has achieved good results.
超化矿采用注射马丽散材料加固破碎顶板技术，使帮顶的完整性和稳定性加强，取得了很好的效果。
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