A.127V B.220V C.380V
A.0.1 B.0.2 C.0.3 D.0.5
A.無論輸送機開停都應(yīng)該打開噴霧 B.根據(jù)輸送帶上煤的干濕程度及時調(diào)節(jié)噴霧大小 C.節(jié)約用水應(yīng)盡量不用噴
