单项选择题
A.300mm B.400mm C.500mm D.600mm
电源开关离地高度为()A.1200mmB.1300mmC.1400mmD.1500mm
单项选择题电源开关离地高度为()
A.1200mm B.1300mm C.1400mm D.1500mm
空调插座(底口距离)离地最少()A.1500mmB.1800mmC.2000mmD.2100mm
单项选择题空调插座(底口距离)离地最少()
A.1500mm B.1800mm C.2000mm D.2100mm
普通电源插座离地高度应为()A.250mmB.300mmC.350mmD.400mm
单项选择题普通电源插座离地高度应为()
A.250mm B.300mm C.350mm D.400mm