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to phrases
connection pipe
ecol.
连接管
railw.
连通管
tech.
连接管道
connection pipe:
35 phrases
in 10 subjects
Automobiles
2
Chemistry
2
Drilling
2
Ecology
1
Electronics
2
Hydroelectric power stations
1
Metallurgy
4
Oil / petroleum
3
Plastics
1
Technology
17
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