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锥形螺旋
 锥形螺旋
agric. tapered auger
| 线
 线
environ. line
hydroel.st. string; thread
math. straight line
metrol. linear … density; linear; lineic

to phrases
锥形螺旋
agric. tapered auger
tech. conic screw; conical screw
锥形螺旋
: 21 phrases in 8 subjects
Air defense1
Automobiles1
Aviation1
Oil / petroleum1
Refrigeration1
Space2
Technology13
Telecommunications1