| 单词 | tachograph |
| 释义 | tachograph UK ['tæk.ə.græf/ UK [-grɑ:f] US [-græf] noun countable ■a machine inside a vehicle such as a truck which records speed, distance travelled and stopping periods, and which is used to control the driver's legal hours of work 速度记录器；里程表；转速计 |
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