(1)将所属网点号为“511”的所有分组编码信息删除.
(2)将所属网点号为“511”的全部改为所属网点号为“512”,同时将每个分组编号增加10000.
A、FSSS系统与火焰电视监视系统共用火焰检测探头;
B、炉膛火焰场景潜望镜无需保护系统;
C、炉膛火焰监视系统的信号传输线传输的信号为视频信号;
D、炉膛火焰监视系统的信号传输线传输的信号为数字信号。
What can be inferred in the passage concerning Boeing?
A.Its headquarter has been moved from Chicago to Seattle.
B.It's to be blamed for the economic depression in Washington.
C.Boeing itself is having a hard time.
D.It's expected to have a revival in the year 2003.