不能连续给矿的给矿设备有()和()给矿机,它的给矿方式为()给矿。
参考答案:摆式;槽式;间歇
The sick man's allowed to take a walk in the garden every day, ______? [ ]
A. is he
B. isn't he
C. has he
D. hasn't he
通信技术应用部门往往是客户的前端市场部门,他们是()产品使用者。