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翻译
  • safety arch

    • 英 [ˈseifti ɑ:tʃ]
    • 美 [ˈsefti ɑrtʃ]

    释义

    • 安全拱,分载拱,辅助拱
  • 英英释义

    Noun

    • 1. an undecorated arch that is included in order to strengthen or support a construction
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