DictionaryForumContacts

   English
Google | Forvo | +
to phrases
echelon faults
desert. 阶状断层
eng.geol. 雁行断层; 斜列断层
oil 梯队断层
echelon faults
: 6 phrases in 4 subjects
Engineering geology3
Hydroelectric power stations1
Oil / petroleum1
Technology1