短語(yǔ)詞組短語(yǔ)Flat fell seam attachment 平縫裝置flat coal seam 水平煤層flat -seam 平縫flat lock seam joint 平面鎖縫接頭flat fillet seam 平角焊縫flat fell seam 保險(xiǎn)縫;明包縫;平拼逢flat lock seam 槽縫flat butted seam 對(duì)頭接縫;對(duì)接縫;對(duì)頭接縫英語(yǔ);翻譯flat felled seam 明包縫 返回 flat seam