DictionaryForumContacts

   Chinese
Google | Forvo | +
to phrases
开孔率 kāi kǒng lǜ
tech. percent of open area
开孔率滤水管孔隙率 kāi kǒng lǜ
eng.geol. open entry
开 孔率
: 14 phrases in 5 subjects
Engineering geology3
Metallurgy7
Oil / petroleum2
Technology1
Textile industry1