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c2d
36e
mx400
azio
airp
p52
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shengqi
lx5
c24
b30
b30
b30
例句：
1
The
study
on
the
characteristics
of
condensation
heat transfer
in
B30
tube
was
performed
experimentally
.
对
B30
换
热管
的
管内
冷凝
传热
特性
进行
了
实验
研究
。
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b30b30b30