英文英文字典
英文英文字典
古腾堡计划中的在线英语-英语词典
结果
Bevel gear的结果
Bevel gear
A kind of gear in which the two wheels working together
lie in different planes, and have their teeth cut at right angles to
the surfaces of two cones whose apices coincide with the point where
the axes of the wheels would meet.