Theoretically sludge yield is nil for the extended aeration process.对延时曝气法而言,理论上污泥生成量应为零.The gas contains blow - by, sludge, acids, oil, and other contaminant.这些气体包括窜缸气体, 沉积物, 酸, 机油和其它杂质的气体.Increasing of anoxic phasefavo...
There is a faulty connection in the fusebox.保险丝盒里接错了线。Ask for a refund if the goods are faulty.商品如有缺陷,可要求退款。The gauge must be giving a faulty reading.量表的显示肯定有误。The car accident was attributed to faulty brakes.这次车祸被认为是刹车失...