Allen screw
短语[电] 艾伦螺旋
词形变化
Allen screws
复数
Allen screws
释义与例句
n.
-
1.
A screw whose head has a hexagonal socket.
Near-synonym: Allen bolt
词汇关系
上位词 1
词源
From Allen, the name of the Allen Manufacturing Company, and screw.
来源:wiktionary