forced draught

• 强力通风,强制通风,压力通风

forced draught的用法和样例：

例句

1. What's the requirement for the forced ventilation system for crankcase?
   发动机曲轴箱强制通风的要求？
2. Direct escaping gas to either an appropriate disposal unit or a forced ventilation system where it can be safely diluted and remotely vented.
   直接把逃逸气体导入合适的处理装置，或者导入强制通风系统，在那里能够安全地稀释气体并排放到远处。