But ventilation may also have improved overall air quality, Thomson speculated in an email to Reuters Health.
但是通风顺畅可能改善了整体的空气质量。
And making it the meet standard, establish all suitable ventilation modes of various seasons in one year which finally converged to be one overall-modes-storeroom.
并以此作为通风方式的满足标准，制定了全年不同季节时可适用的各种通风方式，汇制成为一个总通风方式库。
The overall equipment is composed of top cover, left and right plates, rear and front door plates and ventilation trough.
整体设备由顶盖，左右侧板，前后门板及通风槽组成。
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