The fracture of Daxian-Wolonghe River Wet Gas Pipeline and the hazards of ferric sulfide powder produced in dry gas pipeline are analyzed in detail.

系统分析了达县—卧龙河湿气管道爆裂的原因和干气管道内硫化铁粉尘产生的原因及其危害。

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Famous natural views include Lingxiao Gorge, Daxian Gorge, Xiangtan Valley, Guabing Cliff, Shuilian Cave and Huiyin Tower, each of them is charming and attractive.

灵霄峡、大仙峡、响潭沟、挂冰崖、水帘洞、回音楼，景物天成，引人入胜。

youdao

Famous natural views include Lingxiao Gorge, Daxian Gorge, Xiangtan Valley, Guabing Cliff, Shuilian Cave and Huiyin Tower, each of them is charming and attractive.

灵霄峡、大仙峡、响潭沟、挂冰崖、水帘洞、回音楼，景物天成，引人入胜。

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