由于轴的转速越来越高，轴承的发热和温升是个突出矛盾。

With increasing shaft speed of rotation, heat evolution and temperature rise become a critical problem.

youdao

由于轴的转速越来越高，轴承的发热和温升是个突出矛盾。

With increasing shaft speed of rotation, heat evolution and temperature rise become a critical problem.

youdao