... thermodynamic state 热力学状态 trunnion of converter 转炉耳轴 tin alloy 锡合金 ...
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Steel converter is the main equipment in steel-making, and the drive mechanism, trunnion bearing, is the key component of steel converter.
炼钢转炉是炼钢生产的重点设备，而转炉的传动机构——耳轴轴承又是炼钢转炉的关键部件。
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