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button-head

gen. 圆头螺栓〔螺钉，铆钉〕
archit. 球头; 钮头
dril. 圆头的; 圆头螺栓; 圆头铆钉
tech. 圆形端头; 圆头 (式张拉锚具系统)
button head
auto. 螺纹件平圆头
el. 半圆头的
el.mach. 半圆头
button-head
: 29 phrases in 8 subjects
Architecture3
Automobiles1
Aviation2
Bridge construction2
Construction2
Electronics3
Engineering geology1
Technology15

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