The third generation of "o" type ball valve for soda was special high performance valve for soda developed by Shanghai Fisher valve.
第三代纯碱专用“O”形球阀是上海费希尔公司开发的高性能纯碱行业专用阀。
The third generation of "o" type ball valve for soda was special high performance valve for soda developed by Shanghai Fisher valve.
第三代纯碱专用“O”形球阀是上海费希尔公司开发的高性能纯碱行业专用阀。
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