为什么只量取内侧的长度而不是外侧的长度呢？

Why do I measure the length inside instead of outside?

youdao

他们计划坐火车去都城。 记载；量取；

They're going to take a train to the capital.

youdao

所以说，精确有效地量取通风量显得尤为重要。

Therefore, to measure accurately the effective ventilation is very important.

youdao

这是取好的药汁的量。

This is for the good of Yao Zhi .

youdao

这是取好的药汁的量。

This is for the good of Yao Zhi .

youdao