单词	slewing gear
释义	slewing gear 转动装置
随便看	draw-out table draw out to a great length draw-out track draw-out track at grade draw-out type draw-out type board draw-out type breaker draw-out type switchboard drawout unit draw over draw peg drawperfect drawperfects draw period draw pictures draw piece drawpiece draw pin draw pin key draw pipe draw pit draw-plate draw plate drawplate drawplate oven 双手难捉两条鱼双拳不打笑面双拳不敌四手。双拳难敌四手双斧伐孤树双方交战，不伤来使双日不着单日着。双星旧约年年在，笑尽人情改。双星离别未多时，浑不似，人间离别。双木桥好走，独木桥难行软骨素轰轰下轰击轰动轰响轰塌轰天动地轰死轰毁