Judging from the current operating situation of these games, role-playing type of operation and sports products generated by the arpu even more than many types of strategy game.

• （二）工作环境好整个筛分机构均设计在密封防尘罩内，彻底消除了筛分过程中的粉尘飞扬现象，从而改善了工作环境。