Warning: file_put_contents(): Only 0 of 6291 bytes written, possibly out of free disk space in /www/wwwroot/ppbbbu/202081.com/index.php on line 55 thrust bearing bush例句_thrust bearing bush英汉例句_thrust bearing bush双解例句_2020年的事情英文词典
Usually, tungsten bush is used to be the thrust bearing in water power plant, but it is easy burned down since its high temperature during its operation. 水电厂的推力轴瓦,已往多采用钨金瓦,它在运行中温度偏高,容易发生烧瓦事故。