air change

[eə(r) tʃeindʒ]
  • 释义
  • 换气;

  • 双语例句
  • 1、

    This rugged diaphragm minimizes loss the air change and ensures long and trouble - free life the system.

    这种结实的隔膜将空气变化的损耗减少到最小程度,确保了系统更长的无故障的使用寿命.

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  • 2、

    Experts recommend that your ventilation system should provide at least one air change every hour.

    专家推荐你的通风系统应该至少要每小时换一下气.

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