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to phrases
up stream
gen. 上游; 上流
up-stream
avia. 上升流
bridg.constr. 上游
interntl.trade. 上游程序指石油勘探、开采程序
up the stream
gen. 逆流; 向上游
up stream: 9 phrases in 5 subjects
Bridge construction2
Construction1
Metallurgy3
Submarines1
Technology2

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