-
Double row cylindrical roller bearing is applied on machine tool principal axis.
双列圆柱滚子轴承适用于机床主轴。
youdao
-
The failure analysis of the high speed roller bit bearing.
高速牙轮钻头轴承的失效分析。
youdao
-
The failure analysis of the high speed roller bit bearing.
高速牙轮钻头轴承的失效分析。
youdao