DictionaryForumContacts

   Chinese
Google | Forvo | +
to phrases
井架底座 jǐngjià dīzuo
dril. derrick base; derrick foot; derrick support; mast support
earth.sc. substructure
oil derrick foundation; derrick substructure
井架底座
: 15 phrases in 2 subjects
Drilling10
Oil / petroleum5