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taper pipe thread
met. 锥管螺纹
oil 圆锥管螺纹; 锥形管螺纹
tech. 管螺纹
taper-pipe-thread
gen. 锥管螺纹
taper pipe thread: 20 phrases in 10 subjects
Automobiles1
Aviation4
Drilling1
Earth sciences1
General3
Mechanic engineering1
Mechanics1
Oil / petroleum2
Refrigeration1
Technology5