急性血吸虫病最常见的异位损害是() ["肺","脾","皮肤","胰腺","腹膜"]
下列混凝土的外加剂中能够提高混凝土的早期强度,对后期强度无明显影响的有()。 ["A、木质素磺酸盐","B、松香热聚物","C、氯化钙","D、硫酸钠","E、三乙醇胺"]
现场救治中首先应()。 ["呼吸支持","伤员分类","循环支持","判断伤情","镇痛"]
M型超声是指() ["振幅调制型","辉度调制型","彩色血流显像","多普勒频谱显示","以上都不是"]
在日本血吸虫生活史中下列错误的是() ["有一个中间宿主","有两个中间宿主","人是终宿主","受染的家畜是终宿主","在肠系膜下静脉中寄生产卵"]
捞渣机常规检修内容包括哪些?