dwarf signal矮柱: doll信号机: annunciator; semaphore; tele ...高柱信号机: high signal高柱信号机基础: high signal mast foundation; high type signal foundation炮弹水柱信号: shell-splash signal下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:矮柱信号机，即可在微信中查询翻译
