双头冲double-end punch
自动双端封边机automatic double-end edge bander【木】
双头火花塞扳手double-end spark plug wrench
【运输】双端开榫机double-end tenoner
双头六角直口扳手double-end hexagon straight wrench
双口扳手double-end wrench
双头刮刀double-end scraper
双套筒扳手double-end socket wrench