ภาษาไทย
(Environmental Engineering) Recommended drinking water quality standards which relate to aesthetics and/or health. These standards are recommended, not required. See primary standards.
ภาพประกอบ (Environmental Engineering) Recommended drinking water quality standards which relate to aesthetics and/or health. These standards are recommended, not required. See primary standards.
คำศัพท์ช่างภาษาอังกฤษ - ไทยที่คล้ายกัน
canal, secondary Primary standards secondary beam secondary coil secondary consolidation secondary current secondary electrons secondary main secondary member secondary shoe Secondary treatment side valve
