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外螺纹 wài luówén
auto. class A thread (external thread); exterior thread
compr. external screw thread; male thread; outside thread; pin thread
met. male screw
oil external thread
tech. male screw thread
外〔阳,凸,雄〕螺纹
gen. male screw
螺纹
auto. male screw
外〔阳,公〕螺纹
mech.eng. male thread
螺纹
tech. external thread
外螺纹
: 76 phrases in 14 subjects
Architecture2
Automobiles3
Aviation1
Chemistry2
Compressors6
Construction2
Drilling2
General2
Mechanics1
Metallurgy3
Oil / petroleum9
Plastics2
Space1
Technology40