关山地区水文地质及工程地质条件复杂，地下水类型以基岩裂隙水和断层构造裂隙水为主。
The geological, hydrogeological and engineering geological conditions are complicated in Guan Mountain region, with the ground water mainly as the rock and tectonic crevice water.
其特殊的岩性构造特征决定坝区地下水埋藏特征为裂隙水。
The embed feature of ground water is flaw-water with the special trait of rock-conformation.
关山隧道在掘进过程中，围岩裂隙带和构造破碎带相互串通导致基岩裂隙水向隧道内渗漏，引起山体泉水干涸，对其周边地区生态环境产生影响。
During the tunnel digging, crevice water seeped into the tunnel and resulted in the dry-up of the springs, thus affecting the ecological environment of the mountain region.
关山隧道在掘进过程中，围岩裂隙带和构造破碎带相互串通导致基岩裂隙水向隧道内渗漏，引起山体泉水干涸，对其周边地区生态环境产生影响。
During the tunnel digging, crevice water seeped into the tunnel and resulted in the dry-up of the springs, thus affecting the ecological environment of the mountain region.
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