目前我国托辊轴承已开始用冲压轴承座代替原铸铁轴承座。

Cast iron bearing housing for conveyor idlers is being replaced by pressed housing in our country.

youdao

目前我国托辊轴承已开始用冲压轴承座代替原铸铁轴承座。

Cast iron bearing housing for conveyor idlers is being replaced by pressed housing in our country.

youdao