船用膜片式空气气笛 Marine Diaphragmentic Air Siren
本气笛是以压缩空气为音响动力的一种普航装置。可供大、中、小型船舶进出港口,航行避让或在能见度不良情况下,作为警告信号的发生源用。本气笛具有结构简单,牢固可靠,发音清晰,耗气量小等特点。
The siren is a navigating device with condensed as sound motive.It is appliable tovarious ships and boats,and can be used as the source of thw alarm signal in the case ofclearing or entering a port,shunning in the voyage,or bad visibility. The siren has the characteristics of simple structure,clear sound,big volumn,small airconsumption and reliable quality. |