削减断面一般设在城区或工业区最后一个排污口下游______米以外的河段上。 -题库考试答案搜索网

削减断面一般设在城区或工业区最后一个排污口下游______米以外的河段上。

单选题

2021-09-01 17:23

A、500
B、1000
C、1500
D、2000

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正确答案

C

试题解析

标签：联大河南城建学院水分析化学

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