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female thread
avia. 管螺纹
dril. 内螺纹; 母扣
el. 螺母丝扣
plast. 内螺纹〈美〉
tech. 阴螺纹
female screw thread
mech.eng. 阴螺纹; 内螺纹
female thread
: 14 phrases in 5 subjects
Aviation2
Drilling1
Hydroelectric power stations1
Mechanics5
Technology5