Abstract: The whole city drainage system program is as follows: rain water wells road, clay and drain well across the street and drainage inspection wells and underground drainage main lines. Water wells of clay , and drain well across the road from main part most complete construction units. Water wells, also call charge on the road of municipal water wells Bi flat is part of the common, rain wells has two kinds: one kind is 86 type water wells, fluctuation two times. Clay is a kind of double Bi type water wells, eight times. Based on the two kinds of related faults transformation rain is discussed.

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