1. 滚道：滚刀 hob | 滚道 raceway | 滚动体 rolling element

2. raceway什么意思

2. 电缆管道：rabbit 兔式速移器铝或塑料制的小圆柱体 | raceway 电缆管道 | rack space 储存架区

3. raceway的反义词

3. 水沟, (赛车用的)跑道：race 竞争,追赶 | raceway水沟, (赛车用的)跑道 | rack and pinion机架,(框)架和小齿轮

4.

4. 电缆沟：raceway 电缆沟 | racing 空转 | racing test 逸转试验

1. a course over which races are run

    Synonym: racetrackracecoursetrack

2. a canal for a current of water

    Synonym: race