three wide regions 三大区域
Three-wide education 三全育人
automatic three-cylinders wide belt sander [木] 自动三辊宽带砂光机
three-layer wide area protection system 三层式广域保护系统
The union collected the notes on a board twenty-three meters wide by almost two and a half meters tall.
VOA: special.2010.04.30
It's only about three feet wide.
桥宽仅三尺左右。
There were some twelve to fifteen different widths of railroads in the Northern states alone by the 1850s, and you could go into one town on a gauge, i don't know, three feet wide but on the other side of town it would come out four feet wide.
在五十年代,单就北方州的铁道,就有十二到十五种不同的轨距,你可能在一条三英尺宽的铁道上进镇,但在另一边出镇时,它变成四英尺宽了
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