电动伸缩蝶阀 SD943H-6C,SD943H-10C,SD943H-16C,SD943F-6C,SD943F-10C,SD943F-16C,SD943X-10C,SD943X-16C,
8-18


250


210


184


8-18


QB20-1




150


6


139


652


240

01/23 02:35