该区域地质条件复杂，采用强排和截流的排水降水措施均未奏效。
Owing to the complicated geological conditions of the area, neither the forced drainage nor interception were effective.
强排式燃气热水器将废弃排向室外，对环境也具有一定的污染性。
The waste water discharged by the strong row gas water heater is discharged to the outside and has certain pollution to the environment.
强排式：燃烧时室内取氧，废气通过小型鼓风机经过管道排出室外，价格较高；
Strong platoon type: when the combustion chamber takes oxygen, the exhaust gas passes through the small blower through the pipeline to discharge outdoors, the price is higher;
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