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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 geology
3
Metallurgy
7
Oil / petroleum
2
Technology
1
Textile industry
1
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