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双螺纹
mech.
twin screw
双〔线〕螺纹
gen.
double thread
双螺纹
:
37 phrases
in 16 subjects
Architecture
1
Automobiles
1
Aviation
2
Bridge construction
1
Chemistry
1
Compressors
2
Drilling
1
Electric machinery
1
General
1
Mechanics
3
Oil / petroleum
2
Plastics
6
Rail transport
1
Space
1
Technology
12
Water resources
1
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