单词	dual seal
释义	dual seal 双密封
随便看	lockout pulse lockout reclosing lockout relay lockout/reset lockouts lock outs lock-outs lock-out submersible lock out switch lockout switch lock-out system lockout-tagout lockover lockover circuit lock over circuit lock-over multivibrator lock packing lock paddle lock-paddle lock pawl lock pick lock-pick lockpick lock-picked lock picked 旁人错比扬雄宅，过客难登谢朓楼。旁征博引，侃侃而谈旁征博引，口若悬河旁征博引，条分缕析旁征博引，融会贯通旁敲侧击，借题发挥旁敲侧击，冷嘲热讽旁敲侧击，见机行事旁求俊彦，广开贤路旁观者审，当局者迷雉笛雉鳩雌雌雌雌伏雌性雌捻子雌松雌株