公司开办
参考答案:
指公司创办人,通过人力、物力、财力等方面的投资和基本建设,形成公司最初的生产经营能力的过程,它是一种单纯的经济行为,是属于经济学范畴的概念。
Traditional folk arts of Tianjin like paper cutting ________ at the culture show of the 2010 Shanghai
World Expo.[ ]
A. are exhibiting
B. is exhibiting
C. are being exhibited
D. is being exhibited
水泥磨机正常运转后,分别在出磨斜槽、粗粉斜槽及细粉斜槽各取5个样,其0.08mm筛孔平均筛余分别是34.2%、46.55%、6.46%,求其循环负荷率及选粉效率。