巨幼细胞贫血的实验室检查可出现() ["全血细胞减少","MCV>100fl","中性粒细胞分叶过多","转铁蛋白饱和度12%","骨髓铁染色增多"]
按压缩气体种类和用途的不同分类,螺杆式压缩机不包括() ["空气压缩机","制冷压缩机","工艺压缩机","喷油压缩机"]
男,68岁,行走时疼痛,无红、肿、热、痛,结合图像,最可能的诊断是() ["骨性关节炎","骨结核","骨转移瘤","骨嗜酸性肉芽肿","骨肉瘤"]
下列临床表现哪些与维生素B缺乏有关() ["感觉异常","想象幻觉","震动感觉丧失","记忆力减退","吞咽困难"]
主要家禽的孵化期:鸡()天、鸭()天、鹅()天。
机器人是具有哪些性质的机械?