DictionaryForumContacts

   English
Google | Forvo | +
to phrases
box spar
avia. 箱桁; 盒形翼梁
skydive. 箱形梁; 主梁; 方形梁
space 盒形梁 (断面为四面封闭的盒形)
wind. 箱式叶梁
box spar
: 2 phrases in 1 subject
Aviation2