字典網>> 英漢字典>> F開頭詞條>>flat-operated relief valve的意思 漢英字典flat-operated relief valve中文翻譯：【化】 浮筒操縱安全閥英文字典相關詞條：flat strainer flat band capacitance flat papular syphilid flat commission flat valve flat noise flatty flat-plate heat exchanger flat glass flat belt made of rubberized fabric