Our son has just graduated from a tricycle to a proper bicycle.
我们的儿子刚刚从骑
车过渡到骑普通自行车了。
车车；摩托车Our son has just graduated from a tricycle to a proper bicycle.
我们的儿子刚刚从骑车过渡到骑普通自行车了。
When unemployed,I went to drive a tricycle.
我失业的时候就去拉车。
Another critical factor when designing tricycle gear is to properly balance the load carried by the main gear versus the nosewheel.
前点起落架的另一个
素,设计时需要较精确的分配主与前的负荷.
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代表本软件的观点；若发现问题，欢迎向我们指正。
