笔帽应执行笔帽规格，通气帽的通风区域或通气帽的空气流量的要求。
Caps shall comply with the performance requirements of Cap Size, Ventilated Caps Vent Area or Ventilated Caps Air Flow.
阿萨德是英国训练出来的眼科医师，他颁布的法令还禁止中东人最喜欢的消遣—吸水烟—除了在通风良好的指定区域之外。
The decree issued by Assad, a British-trained eye doctor, also bans the favorite Mideast pastime _ smoking water pipes _ except in well-ventilated and designated areas.
尽可能地通风，以彻底用室外空气置换房间或泄漏区域的空气。
Ventilate as much as possible to completely air out the room or spill zone with outside air.
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