?球轮手推车
若干年之后,获奖设计球轮手推车(Ballbarrow)问世,该推车可以到达其它独轮手推车所无法到达的地方。
?球型独轮车
同样,他也对球型独轮车(Ballbarrow)和吸尘器进行改造。
Dyson studied design at art college before coming up with his first successful invention, the Ballbarrow - a wheelbarrow with a ball instead of a wheel.
BBC: Hunt for young entrepreneurs
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