限位阀    Limit valves

衬里球阀    Lining Ball Valves

衬里碟阀    Lining Butterfly Valves

衬里止回阀    Lining Check Valves

衬里二通    Lining Cock

衬里截止阀    Lining Globe Valves

衬里三通旋塞阀    Lining T-Cock Valves

液位计    Liquid Indicator

液化气管件    LPG Pipe Fitting