单位换算
(1)688Ω= _________ KΩ
(2)220V=_________mV.
(1)0.688;
(2)2.2 ×105
----What do you think of the dishes I cooked?
--- _______ I’ve never had a better one.
A.Horrible!
B.So-so.
C.Gorgeous!
D.I’m with you on that
胶带输送机安装完成后,必须进行试运转,空负荷试运转不少于()小时,空负荷确认无问题后,方可放煤加载进行带负荷运转试验,带负荷运转试验时间不少于()小时。