In order to automatically control the supply and return air balance in quench air systems, the volume flow controller is used.

为实现环吹风系统供、回风平衡的自动控制，采用了体积流量控制器。

youdao

My opponent’s plan is nothing but smoke and mirrors: he’s simply pulled his numbers out of the air to make it look like he can balance the budget without new taxes.

他说：我那竞选对手的计划根本就是一个骗局。 他只是毫无根据地提出几个数字，让人们觉得好像他可以不增加新的税收就平衡预算。

youdao

My opponent's plan is nothing but smoke and mirrors: he's simply pulled his numbers out of the air to make it look like he can balance the budget without new taxes.

他说：我那竞选对手的计划根本就是一个骗局。 他只是毫无根据地提出几个数字，让人们觉得好像他可以不增加新的税收就平衡预算。

youdao

But, as you know, air is only 20% oxygen, the balance being nitrogen.

但是你知道空气中只有20%的是氧气，大部分的是氮气。

麻省理工公开课 - 固态化学导论课程节选

This tilted the balance of air time more towards Syria and frightened potential critics.

ECONOMIST: Lebanon and its media

The King Air 250 represents an impressive balance of outstanding operating economy combined with a spacious, functional cabin and superb capability.

FORBES: The Most Successful Aircraft Design Gets Even Better

Sell Taiwan the AIM-9X helmet display sighted air-to-air missile to confer a balance with the Russian R-73 helmet-sighted AAMs that arm PLAAF Su-27 and Su-30 fighters.

CENTERFORSECURITYPOLICY: Deterring a Chinese attack against Taiwan: 16 steps