self-staying mast self-steering compass的意思|示意
美 / /
英 / /
自留桅杆,自动转向罗盘
self-staying mast self-steering compass的网络常见释义
自动舵罗经 ... self-starting 自起动自起动的 self-staying mast self-steering compass 自动舵罗经 self-steering 自动操舵 ...