75GD312040B0K规格参数
相关型号
75GD31205040J 75GD31205040K 75GD312050B0J 75GD312050B0K 75GD3120AA40J 75GD3120AAB0J 75GD3120AAB0K 75GD3120DQ40K 75GD3120DQB0J 75GD3120DQB0K