ABEC

ABEC

美 　英

• 网络Annular Bearing Engineer Committee; 环形轴承工程师委员会(Annular Bearing Engineers Committee)

例句

As PA9 but running accuracy better than ABMA tolerance class ABEC 9.

与PA9相同，但旋转精度超过ABMA公差级ABEC9级。

Dimensional and running accuracy to ABMA tolerance class ABEC 9 (better than P4)

尺寸和旋转精度符合ABMA公差级ABEC9级（超过P4）