空气供给站：完全不依赖环境气体，由无油空压机或充装在气瓶内的压缩空气经减压、滤清、通过增压式空气呼吸器向人体提供优质气源。

• Air supply station does not rely on the air in the environment at all, as a matter of fact, it supplies high quality air source from oil free compressor or compressed bottled air after depressurized, filtered to human being by using pressured air respirator.