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当前学科：铁路车号员(长)
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70吨敞车换长是（）。
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患者，女性，25岁，孕7个月余，今日晨起突发畏寒、发热，测体温39℃，伴乏力、恶心、呕吐、下腹坠痛，排尿时有烧灼感，门诊查血常规示白细胞计数和中性粒细胞计数均升高，尿常规见白细胞管型，该患者可能的诊断为（）
肺下界的体表投影在腋中线相交于（）
发电厂一次主接线的接线方式主要有单母线、单母线分段，单元、双母线带旁路接线等。
Translate the following counter-offer letter into chinese, and then write rejection letter to the following counter-offer. Subject: Counter-offer Dear Sirs, We have been very pleased with your product, as you know．However, we find that we can obtain a price of $4．00 per hundred with a local firm．This is fifty cents per hundred lower than your price. If you can see your way clear to meeting these figures we would be pleased to place with you an order that will carry us for the rest of this year．That order is likely to be one of the largest that we have ever placed with you. Sincerely,
"反常呼吸征"的胸廓改变是（）
简述胰腺癌诊断要点。
关于皮下脂肪瘤的描述不正确的是（）。
叙述并演示适宜皮内浅薄部位腧穴进针的操作方法。
搞开放组织活动( )