Control systems:• Make an environment suitable for the growth of microorganisms such as pH, temperature, oxygen, mineral supplement that is soluble in water and appropriate stir fry.• Quantity of organic compounds and environmental conditions suitable for microorganisms in air-filled tanks, waste water treatment, so that they can effectively and can easily distinguish water from salat.
การแปล กรุณารอสักครู่..
![](//thimg.ilovetranslation.com/pic/loading_3.gif?v=b9814dd30c1d7c59_8619)