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拓宽 tuòkuān
hydroel.st. widening
tech. broaden; broadening; frontier
道路拓宽 tuòkuān
tech. widening
拓宽
: 33 phrases in 13 subjects
Bridge construction1
China3
Commerce1
Cryptography1
Drilling1
Engineering geology1
Finances1
Hydroelectric power stations2
International Monetary Fund9
Metallurgy1
Oil / petroleum1
Securities1
Technology10