煤气化气固反应器类型之床层?
参考答案:固定床、流化床、气流床。
-- Shall we go outing this weekend?
--- _____________. There will be a meeting maybe.
A.It all depends.
B.You got it.
C.I can’t wait.
D.No problem.
无线通信维修工作的基本任务是什么?