Specializing in sea lifesaving, petroleum vitta reconnaissance, locating sign, self-service relay station, emergency electrical source, etc, civil and military affairs.

 
  • 特别适合用于海洋救生、石油管道勘测、示位标、无人中继站、应急电源等军事民事领域。
今日热词
目录 附录 查词历史