火焰光度检测器由()组成。 ["点火器","滤光片","氢火焰发光","光电检测"]
判断小儿结核病的最可靠指标是() ["持续发热","排出物中找到结核菌","X线检查示肺内钙化灶","PPD试验阳性的年长儿","以上均不是"]
挤压机开车前应分别启动的设备有()。 ["润滑油泵","振动筛","干燥器","系统罗茨风机"]
正确理解主体与客体关系的关键在于() ["物质第一性的观点","意识第一性的观点","辩证的观点","实践的观点"]
下列关于X连锁无丙种球蛋白血症的诊断检查,哪项是正确的() ["血清免疫球蛋白均升高","骨髓B细胞和浆细胞缺如","淋巴细胞数升高","外周血白细胞总数下降"]
绑扎柱子用的吊具有()卡环和()等。