1) over-entering and down-out
上进下出
1.
The double-circuits measure single phase electric energy meter is introduced,which structure is over-entering and down-out.
对上进下出双回路计量单相电能表进行介绍,描述其内部工作原理,并对该类表计的检测方法进行研究和探讨。
2) Direct circulation of up-out and down-in
下进上出式直流通风
3) competent to work both at the top and at the grass roots
能进能出，能上能下
4) it would be up and down,
呈现出上上下下、
5) He who knows how to fight and how to retreat deserves to be called a brave man.
能进能出，能上能下,方谓好汉
6) up down drilling
上下倾钻进
补充资料：上进
1.向上;进步。 2.指求取功名。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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