safety arch是什么意思_safety arch的用法_翻译_读音

- 辅助拱,安全拱,分载拱
英英释义
Noun:

an undecorated arch that is included in order to strengthen or support a construction
临近单词

safety cut safety safety planning safety assembly safety practice safety velocity safety earthing safety distance safety function safetyeducation safety barriers safety blasting