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screw thread
plast. 螺旋螺槽; 杆螺
tech. 螺线; 丝扣
wind. 螺纹
screw-thread
gen. 螺纹
ecol. 螺纹牙
screw -thread
: 121 phrases in 18 subjects
Architecture2
Automobiles6
Aviation3
Chemistry1
Compressors2
Computer numerical control1
Construction1
Drilling1
Engineering geology1
Hydroelectric power stations1
Mechanics5
Metallurgy4
Nautical1
Oil / petroleum10
Plastics12
Space1
Technology68
Wind Energy1