air-vent valve排气阀;通气阀;空气活门
air return vent回风口
diameter air-vent排气口直径
southeast air-vent东南引风口
air outletair vent出风口
air bells vent排气口
air conditioning vent空气调节通风口图片
air-vent pipe[机] 通风管
air-vent tube通气管
SEM results show us that the quality of the glaze is steady, the air vent is few and the glossing is high.
釉面扫描电镜结果显示,釉面质量稳定,气孔、釉泡少,釉面光泽度高。
参考来源 - 一次烧成釉面砖坯釉配方设计及坯釉性能的研究