AgCl、Hg2Cl2和PbCl2三种沉淀中,只有AgCl可以溶解在NH3·H2O中。( )
参考答案:错
Peter is my close friend, who can be what he promises.
A.relied on to do
B.relied to do
C.relied on doing
D.relying to doing
机房长期工作环境温度为(),短期工作环境温度为()。