smoke prevention
短语词组
- smoke -prevention stairwell 防菸樓梯間
- Smoke prevention stair well 防菸樓梯間
- smoke prevention and exhaust 防排菸
- smoke prevention zoning 防菸分區
- smoke prevention compartments 防菸分區
- smoke prevention stair 防菸樓梯
- smoke prevention staircase 防菸樓梯間
- smoke prevention division 防菸分區 返回 smoke prevention