伸长率表征了钢材的()。 ["A.抵抗塑性变形能力","B.塑性变形能力","C.抵抗弹性变形能力","D.弹性变形能力"]
石灰在土木建筑工程中的应用不正确的是()。 ["配制水泥石灰混合砂浆、石灰砂浆等","B.生产硅酸盐制品","拌制灰土或三合土","D.配制水泥砂浆"]
系统性红斑狼疮患者心脏典型病变为() ["心瓣膜非细菌性疣状赘生物","心外膜纤维素性炎","心瓣膜闭锁缘菜花样赘生物","MeCallum斑","心瓣膜钙化"]
按照厚度来分,热轧钢板的薄板厚度尺寸为()。 ["A.大于4mm","B.0.35~4mm","C.0.2~4mm","D.小于0.2mm"]
不属于类风湿性关节炎病变特点的是() ["急性坏死性动脉炎","滑膜下淋巴滤泡的形成","关节软骨表面血管翳的形成","Aschoff小体的生成","晚期关节的畸形"]
夹层动脉瘤