forced-draft的用法和样例：
词汇搭配
- forced draft cooling tower 强制通风冷却塔...
- forced-draft fan [化] 鼓风机
- forced draft 压力送风
- forced draft boiler [机] 强制通流锅炉...
- forced draft cooling 强制通风冷却...
- ventilation by forced draft 对流通风
- forced draft air cooler 通风空气冷却器...
- forced draft ventilation 强制通风
- forced draft duct 强制通风管道...
- forced draft fan 压力通风风扇,压力送...
