safety arch

 
       
  • 輔助拱,安全拱,分載拱
new

safety arch的英文翻譯是什麼意思,詞典釋義與在線翻譯:

英英釋義

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

今日熱詞
目錄 附錄 查詞歷史