ventilating

• Be sure to ventilate on the upstroke .
  要明确吹气是在手抬起时吹入的。
• We ventilate a room by opening windows .
  我们开窗以使室内空气流通。
• The lungs ventilate the blood .
  肺以新鲜空气使血液净化。
• He thought that this would not be so if the ships were better ventilated .
  他认为如果把船放在通风较好的地方，就不会是这种情况了。
• It is possible to design good heating ventilating and air conditioning systems at a reasonable cost .
  人们可以用合理的造价设计一个良好的采暖通风和空气调节系统。
• People in crowded or poorly ventilated places
  身处人多或空气不流通的地方之人士
• Ventilate and air conditioning of fishing vessel cabins
  渔船舱室通风与空气调节
• Emergency vault ventilators and vault - ventilating ports
  储藏室紧急通风机和通风口
• Installation of air conditioning and ventilating systems
  空气调节和通风系统的安装