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to phrases
N 型杂质
met.
N-type impurity
;
N negative-type impurity
n 型杂质
met.
donor
P型杂质
met.
p-type impurity
型杂质:
13 phrases
in 6 subjects
Construction
1
Earth sciences
2
Electronics
2
General
1
Metallurgy
6
Technology
1
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