This is known as the 20-hour rating versus other ratings based on times such as 5, 8 and 100 hours, but also at different amperage rates.

这就是所谓的20小时评价与其他评级的基础上的时代，如5日，8日和100个小时，而且在不同的安培利率。

youdao

This is known as the 20-hour rating versus other ratings based on times such as 5, 8 and 100 hours, but also at different amperage rates.

这就是所谓的20小时评价与其他评级的基础上的时代，如5日，8日和100个小时，而且在不同的安培利率。

youdao