A.安全防火規(guī)定 B.設(shè)備放置緊湊 C.靠墻設(shè)備應(yīng)便于維修 D.避免焊接部件往返運輸
A.0.2~0.3m B.2~3m C.5~10m D.20~30m
A.0.2~0.4m B.2~4m C.10~15m D.20~30m