UNIT bearing: an automotive bearing used that is sold as an assembled set and is non-adjustable; characterized by a cone with no large rib.
组合轴承单元：是一个应用于汽车上，在销售前预组装、无需调整游隙以及内圈没有大挡边的轴承单元。
2
The air intakes are fitted with an adjustable half-cone shaped centrebody which provides an inclined shock of air pressure for highly efficient air input.
进气口安装有一个可调节的半圆锥激波锥，能够有效提高进气效率。
3
The point of the most normal pressure was analyzed in the contact points between the adjustable ring and the planet cone.