DictionaryForumContacts

   Chinese
Google | Forvo | +
to phrases
钻头泥包
chem. bit balling zui
dril. balled up bit; balling of the bit; bog down
oil bit balling
tech. bit bailing
钻头形成泥包
dril. get a ball on
钻 头 泥包
: 7 phrases in 3 subjects
Drilling3
Oil / petroleum3
Technology1