雙偏心蝶閥 英語怎麽說
雙偏心蝶閥
double eccentric pivoted butterfly valve
船用雙偏心型蝶閥
Marine dou-eccentric-pivoted butterfly valves
GB/T3037-1994船用雙偏心型蝶閥
Marine dou-eccentric-pivoted butterfly valves
行業標準-〖船舶管路附件 〗
double eccentric pivoted butterfly valve
船用雙偏心型蝶閥
Marine dou-eccentric-pivoted butterfly valves
GB/T3037-1994船用雙偏心型蝶閥
Marine dou-eccentric-pivoted butterfly valves
行業標準-〖船舶管路附件 〗