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有效孔径
yǒuxiào kǒngjìng
bridg.constr.
usable aperture
;
effective opening
desert.
working aperture
eng.geol.
effective opening size
hydroel.st.
effective aperture
tech.
effective pore radius
;
efficacious opening
;
useful aperture
telecom.
real aperture
有效
实际
孔径
archit.
real aperture
有效孔径
口径
yǒuxiào kǒngjìng
archit.
effective aperture
有效 孔径
:
9 phrases
in 5 subjects
Air defense
1
Engineering geology
2
Space
2
Technology
3
Telecommunications
1
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