Triple Eccentric Hard Sealing Butterfly Valve 三偏心硬密封蝶阀
面议Triple Eccentric Hard Sealing Butterfly Valve 三偏心硬密封蝶阀
面议Soft Seal Manual Operated Butterfly Valve 软密封手动蝶阀
面议Manual Flange Type Triple Offset Metal Butterfly Valve 手动法兰式三偏心金属蝶阀2
面议High Performance Welded Type Triple Offset Butterfly Valve 高性能焊接式三偏心蝶阀
面议DN400 Flange Cast Iron High Performance Butterfly Valve 法兰铸铁高性能蝶阀
面议Manual Flange Type Triple Offset Metal Butterfly Valve 手动法兰式三偏心金属蝶阀
面议ANSI Carbon Steel Double Acting Butterfly Valve 美标碳钢双作用蝶阀
面议A216 WCB Triple Offset Pneumatic Actuator Butterfly Valve A126 WCB 三偏置气动执行器蝶阀
面议Butt Welded Type Butterfly Valve 对缝焊接式蝶阀
面议Flanged Type Butterfly Valve 法兰式蝶阀
面议