英语翻译Laminated Metal Seal Butterfly Valve with Enamel Seat Se
英语翻译Laminated Metal Seal Butterfly Valve with Enamel Seat Se
英语翻译Storm angle valve with handle,Type:SV-FCD-A-RMH- 150- se
Tripe eccentric butterfly valve
Double Flanged Butterfly Valve 是什么
tricentric butterfly valve什么蝶阀啊
英语翻译整句式这样的,specification data sheet of the butterfly valve-1
lug style butterfly valve这个是哪种蝶阀啊
英语翻译BUTERFLY VALVE CI OR DI BODY / EPDM SEAT FLANGE CL150 RF
laminated
英语翻译2.Do you order a seal?YES or NOWhen living in Japan,a se
seal it with a
英语翻译milling removes metal with a revolving ,multiple cutting