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to phrases
副族
gen.
subunit
met.
subgroup
plast.
sub class
tech.
subgroup A
;
subgroup B
副族
指周期表中 B 族
chem.
subgroup B
;
subgroup
副
B
族
construct.
subgroup B
副族
:
3 phrases
in 2 subjects
Chemistry
1
Metallurgy
2
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