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to phrases
硬合金钻头
eng.geol.
insert bit
tech.
hard metal bit
;
tungsten-carbide bit
硬合金钻头
:
54 phrases
in 8 subjects
Construction
1
Drilling
12
Electric machinery
1
Engineering geology
4
Mechanics
2
Metallurgy
1
Oil / petroleum
11
Technology
22
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