如果拉伸试样有严重的弯曲,测得的强度指标可能()。 ["偏高","偏低","不受影响"]
子宫内膜异位最好发于() ["A.卵巢
","B.宫体
","C.宫颈
","D.输卵管
E.盆腔"]
平刺指刺入时针身与皮肤表面的成角为() ["15°左右","30°左右","45°左右","60°左右","90°"]
AB分型中MDS-RAEB骨髓中原始粒细胞比例是() ["骨髓中原始粒细胞<5%","骨髓中原始粒细胞5%~20%","骨髓中原始粒细胞>40%","骨髓中原始粒细胞>30%","骨髓中原始粒细胞21%~29%"]
双侧肾上腺类不规则形肿块,TWI低信号,TWI上混杂高信号() ["肾上腺腺瘤","肾上腺转移瘤","肾上腺增生","肾上腺囊肿","嗜铬细胞瘤"]
与常规蒸馏相比,原油蒸馏的特点是什么?