The pricing model of consumers is the complete pricing model of water supplying, which is measure the price of water supplying including the fee for sewage treatment.

 
  • 城市自來(lái)水用戶(hù)定價(jià)模型是完整的自來(lái)水定價(jià)模型,是確定包括污水處理費的城市自來(lái)水價(jià)格。
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