... externally mounted mechanical seal 外装式机械密封 extra large size bearing 特大型轴承 extraction pump 抽气泵 ...
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结果表明，特大型轴承矫正渗碳淬火后金相组织、硬度都达到技术要求。
The results showed that, the microstructure and hardness of oversized bearings could meet the technologic requirement after carburization and quenching.
轴承套圈余热退火辊底炉生产线是一高度机械化自动化的特大型加热设备。由于受厂房长度限制，设计成长方形的闭环结构，这是本设计的特点之一。
The large roller hearth furnace production line for annealing hot bearing RACES is designed as a rectangular and closed structure under the limit of the length of available shop.
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