... 圆头键 round end key 圆头方键 whitney key 晶圆键合 Wafer Bonding ...
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短语
圆头锥形键
gib-head taper key
;
head taper key
圆头平键
Pratt-Whitney key
;
P & W key
圆头普通平键
round end parallel key
单圆头普通平键
single round parallel key
圆柱头内花键螺钉
Screwsfluted socket head