字典網>> 英漢字典>> S開頭詞條>>single-welded butt joint的意思 漢英字典single-welded butt joint中文翻譯：【化】 單面焊對接接頭字典網 相關詞條：single level address single-phase circuit single perforated plate single-pass evaporator single finger dectylography single-throw circuit breaker single U-groove single screw extruder single piece pattern single-stage pump