A.3N.m B.5N.m C.1.15N.m D.2N.m
A.暗埋在墙内、直埋、电缆沟、沿墙明设 B.直埋、暗埋在墙内、沿墙明设、电缆沟 C.沿墙明设、直埋、暗埋在墙内、电缆沟 D.电缆沟、暗埋在墙内、直埋、沿墙明设
A.105r/min B.55r/min C.8r/min D.5r/min
A.55℃ B.65℃ C.75℃ D.125℃
A.50 B.80 C.100 D.120
