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[问答题,计算题] 一台锅炉两只安全阀的起始压力分别为2.548MPa和2.597MPa时,试问这台锅炉的工作压力是多少?

()以下何人是被丁典活活箍死? ["吴坎","周圻","卜垣","耿天霸","马大鸣"] 腹部CT增强图像,主动脉左旁异常强化影,正确的诊断是:() ["胃癌","副脾","平滑肌瘤","胃底静脉曲张","肾上腺肿瘤"] ()耿天霸是如何而死? ["被丁典压死","被狄云刺死","中毒而死","自己误撞死"] ()众人都听到丁典所说的第五个字是几? ["十六","十八","二十","二十二"] 关于早期胃癌病理及X线钡餐造影征象的描述,不正确的是:() ["病变限于黏膜及黏膜下层","双对比造影易于显示病变","早期胃癌与有无转移无关","与病变面积大小相关","表面凹陷型最多见"] 一台锅炉两只安全阀的起始压力分别为2.548MPa和2.597MPa时,试问这台锅炉的工作压力是多少?
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