Can journalists take photos at the press conference to be held before the performance?
A. Yes, they can. But they’ve got to take photos in a certain place
B. Yes, they can. But they’ve got to take photos in designated places.
C. Yes, they can. But they have to find a suitable place
D. Yes, they can. But they’ve got to take photos at lower places.
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Are you responsible for the maintenance of surveillance cameras within one year?
A. Yes. Our company promises to provide free service
B. Yes. Our company promises to provide post-sale services.
C. Yes. Our company promises to provide good post-sale services.
D. No. Our company doesn’t promise to provide post-sale services.
采用抛物线形竖曲线时,凡相邻坡段的坡度代数差大于()时须设计竖曲线。
速度为100km/h以下正线道岔轨道静态经常保养水平容许偏差管理值为()。
到发站线道岔轨道静态作业验收高低容许偏差管理值为()。