1)aerobic purification,好气性净化2)anaerobic purification,厌气性净化3)aerobic purification,好氧净化4)purification of acidic tail,酸性尾气净化5)gas-purifying,气化气净化6)aerobic aerated lagoon,好气性曝气氧化塘
用法例句
As the investment cost, the purifying effect and the operational convenience of gas-purifying system is the key to affect the application and popularity of stalk gasification.