China Merchants Steam Navigation Co. Ltd. (China Merchants)
导航声吶
navigation sonar【船】 声
暂无补充释义。
相关词条
inertial navigation system\nINS\n航 水运
rules of navigation
navigation
navigational system【航】;radio navigation system【航】
space navigation
international commission for air navigation
strapped-down inertial navigation equipment【航】