#1炉输灰系统通过什么来监视仓泵输送是否正常?
参考答案:
输送压力及输送时间
伽利略说:“生命如铁砧,愈被敲打,愈能发出火花”.其中蕴含的化学原理,用化学方程式表示,正确的是( )
A.3Fe+O2=Fe3O4
B.3Fe+2O2 点燃 . Fe3O4
C.3Fe+2O2 高温 . FeO4
D.Fe3+O4 高温 . Fe3O4
This famous band is __________ into two girls and three boys, including an American girl.[ ]
A. made
B. joined
C. connected
D. formed