后部排风，镀锌板型材框架，白色彩钢板蒙板。
Exhaust air from rear side; galvanized steel molding frame, white coated steel cover.
且随着温度的升高， 镀锌板的锌层脱落量增加。
With the increase of temperature, the weight loss of zinc coating increases.
且随着温度的升高， 镀锌板的锌层脱落量增加。
With the increase of temperature, the weight loss of zinc coating increases.
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