rollaway nest滚道: ball track; tray滑: slippery; smooth槽: trough; manger滚道: rollaway nest: (轴承) 滚道 ball track; tray滑槽: coulisse; half sheave; hopper chute; runner; runway; sash pocket; slideway; sliding chute; spout; tradustshoot; tray下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:滚道, 滑槽，即可在微信中查询翻译
