Reynauld五联征对哪种疾病诊断有意义()
A.急性化脓性胆囊炎
B.急性坏疽性胆囊炎
C.胆总管结石
D.肝内胆管结石
E.急性梗阻性化脓性胆管炎
参考答案:E
He was the most important basketball player in the world ________.[ ]
A. in 1990s
B. during the 1990
C. during the 1990s
D. in the 1990
影响冷拔低碳钢丝质量的主要因素是原材料的质量和( )。
A.(A) 冷拉率
B.(B) 延伸率
C.(C) 冷拔总压缩率
D.(D) 冷弩性能