... Dimensions checking of 尺寸，校核 Discharge of safety valves 安全阀泄放 Dished heads (see formed heads) 碟形封头(见成形封头) ...
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The discharge rate of the steam boiler safety valves controls the ability to relieve the steam pressure in the abnormal situations.
锅炉安全阀排放量的大小，决定了锅炉非正常情况下蒸汽压力的释放能力。
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