SCBA systems are expensive.

SCBA系统价格不菲。

Use appropriate protective equipment (SCBA).

使用合适的防护装备(SCBA)。

For firefighting, an SCBA system makes a lot of sense.

对消防工作，SCBA系统益处多多。

The best system is called an SCBA (self-contained breathing apparatus) system.

最好的呼吸器系统称为scba(自给式呼吸器)系统。

An East Hampton, New York firefighter wearing SCBA is engulfed in smoke as he USES a tool at a car fire.

纽约州东汉普顿市一位身穿scba的消防队员在汽车火灾中使用一个工具时，被吞没在烟雾中。