你们的车都特别好，其中的一辆跑了80个小时都仍未进行过大的维修，我们只更换过变速箱里第三档的一个主动齿轮。

Otherwise, they have bikes worked well, one has now gone 80 hours without major repairs, we have only had to change third-place drive in the gearbox.

youdao

你们的车都特别好，其中的一辆跑了80个小时都仍未进行过大的维修，我们只更换过变速箱里第三档的一个主动齿轮。

Otherwise, they have bikes worked well, one has now gone 80 hours without major repairs, we have only had to change third-place drive in the gearbox.

youdao