330MW机组RB允许的条件()。
A、至少两台磨煤机运行;
B、机组在协调方式;
C、负荷大于180MW;
D、RB功能按钮由运行人员投入。
参考答案:A, B, C, D
--- I know how much it will take you to buy a ticket for sporting events of the 2008 Olympic Games.
--- How did you know it?
--- It was in the website www. tickets. Beijing 2008.cn _____ you can buy the tickets for the opening ceremony for the Beijing 2008 Olympic Games on August 8 _____I found the full details about tickets prices for them.
A.where; that
B.which; that
C.that; which
D.where; which
在一定温度下,反应2XY(g)X2(g)+Y2(g)达到平衡的标志是( )
A.单位时间内生成n mol X2,同时生成n mol XY
B.单位时间内生成n mol X2,同时生成n mol Y2
C.单位时间内生成2n mol XY,同时生成n mol Y2
D.容器内总压强不随时间变化