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to phrases
透光系数
tòuguāngxìshù
stresses
avia.
коэффициент
естественной
освещённости
tech.
коэффициент просветности
;
коэффициент светопрозрачности
透光系数
:
6 phrases
in 4 subjects
Chemistry
1
Electronics
1
General
1
Technology
3
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