F Will you please tell us how to use the fire extinguisher to fight fire swiftly?

外你能告诉我们如何才能用灭火器迅速扑灭火灾吗？

youdao

F Will you please tell us how to use the fire extinguisher to fight fire swiftly?

外你能告诉我们如何才能用灭火器迅速扑灭火灾吗？

youdao