safety arch

 
       
  • 輔助拱,安全拱,分載拱
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safety arch的英文翻譯是什么意思,詞典釋義與在線(xiàn)翻譯:

英英釋義

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

今日熱詞
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