The microstructure and chemical composition of cracked water-cooling wall pipe used in power plant were analyzed, and its fracture was analyzed by SEM.
对开裂的电厂水冷壁管进行了化学成分及金相组织分析，并对断口进行了扫描电镜分析。
It is more serious implication that fracture water is rich in the wall-rock during tunnel's construction and operation.
围岩富集裂隙水对隧道施工和运营有着较严重的影响。
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