本文根据百余种国产摩托车排气污染物底盘测功机工况法测试结果，建立了相应的数据库。

Depending on chassis dynamometer test results from more than 100 motorcycles a relative database has been set up.

youdao

本文根据百余种国产摩托车排气污染物底盘测功机工况法测试结果，建立了相应的数据库。

Depending on chassis dynamometer test results from more than 100 motorcycles a relative database has been set up.

youdao