DictionaryForumContacts

   English
Google | Forvo | +
to phrases
hand boring
bridg.constr. 手工钻探
expl. 人工打孔
tech. 手钻; 手工凿孔
hand-boring
hydroel.st. 手钻
hand boring
: 10 phrases in 3 subjects
Bridge construction1
Engineering geology2
Technology7