i5M8.8智能多轴立式加工中心采用北京CTBER25动力头电主轴最大转速是()
A.3000rpm
B.4000rpm
C.2000rpm
参考答案:A
Taiwan is part of China. It is in the _____ of our country. [ ]
A. northwest
B. northeast
C. southwest
D. southeast
患儿女,9岁,因误服药物中毒入院。患者皮肤干燥,瞳孔散大,颜面潮红,烦躁不安,呼吸快而深,体温38.3℃,心率145/分。
针对外周中毒症状,应给予()
A.普萘洛尔
B.肾上腺素
C.酚妥拉明
D.尼可刹米
E.毛果芸香碱