extinguishers是什么意思

双语例句

(1)Fire extinguishers are located on each floor and in each apartment.

每个公寓和楼层都有灭火器。

(2)I require foam extinguishers.

我船需要泡沫灭火器。

(3)Are these fire extinguishers working?

这些灭火器好用吗？

(4)A: Are these fire extinguishers working?

A：这些灭火器好用吗？

(5)Replace portable extinguishers with broken seals.

把有损坏封印的手提式灭火器换掉。