双开门 Double door ; Doors ; double door
双开道岔 equilateral turnout ; [铁路] double turnout ; double curve turnout
双开关 DualSwitch ; biswitch
双开口扳手 DOUBLE OPEN ENDED SPANNER ; Double open end wrench
双开挂锁 double key padlock
双开活络扳手 coach wrench
双向开放 two-way openness ; emphasis on both domestic and international markets ; two-way opening up
双开口扳手套装 DOUBLE OPEN ENDED SPANNER SET
双开旁开门 two panel side-opening door
双开式的弹簧门 swing door
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