DictionaryForumContacts

   English
Google | Forvo | +
to phrases
valve needle
hydroel.st. 阀针
mech.eng. 阀的探针; 阀活门顶针
valve needle: 78 phrases in 14 subjects
Automobiles10
Chemistry2
Drilling3
Electronics1
General1
Hydroelectric power stations4
Mechanics1
Nautical1
Oil / petroleum3
Oil and gas technology1
Rail transport2
Technology44
Water resources3
Wind Energy2