پاورپوینت بررسی اجمالی راکتور تصفیه خانه فاضلاب( انگلیسی)
Onsite Wastewater Treatment
•25% of US population relies on it
•On site treatment typically (95%)
is by septic system and associated leachfield
•Regulations and design are somewhat standardized,
but public health authority (county) regulates and manages.
خرید فایل
ادامه مطلب ...
پنجشنبه 11 آذر 1395 ساعت 00:16