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单词
calling help signal
释义
calling help signal
网络
呼救信号
网络释义
1.
呼救信号
铁路词汇8 - drj08的日志 - 网易博客 ... 告警信号 warning signal
呼救信号
calling help signal
火警信号 fire alarm signal ...
blog.163.com
例句
随便看
girder bolts
girder bottom plate
girder bridge
girder casing
girder connection
girder construction
girder depth
girder dog
girder face plate
girder flange
girder floor
girder fork
girder for model attachment
girder for seat
girder frame
girder framing into column
girder grillage
girder guard rail
girder head
girder iron
girderless
girderless floor
girderless floor construction
girderless floor structure
girder load
英汉双解词典包含2704715条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。
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更新时间：2026/9/28 5:04:11