地表塌陷严重威胁着矿山安全生产，破坏地表生三态环境。
Ground collapse will seriously threaten the mine production security and destroy the surface ecological environment.
采煤塌陷水域已成为淮南市矿区一种特殊的地表水体。
Excavate coal subsided water area is the special component of the surface water in Huainan.
采煤塌陷水域已成为淮南市矿区一种特殊的地表水体。
Excavate coal subsided water area is the special component of the surface water in Huainan.
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