A.More and more people moved in this city. B.Oil was found in this area. C.There are more and more forests outside the city. D.The housing and transportation are improved greatly.
【简答题】On the blending machine, it is known that the processing capacity of wool is 1500kg (wet weight), and the moisture regain of wool is 12.4%, the oil content of wool is 0.8%. It be required to achieve t...