同一车辆两端车钩中心至轨面的高度差不大于40mm。
A. 正确
B. 错误
上作用车钩的钩提杆组装后要求其横动量不大于100mm。
A. 正确
B. 错误
Which statement is FALSE concerning precautions during fueling operations?()
All engines,motors,fans,etc. should be shut down when fueling
B. All windows,doors,hatches,etc. should be closed
C. A fire extinguisher should be kept nearby
D. Fuel tanks should be topped off with no room for expansio
5岁患儿,家住沈阳,无外地居留史。8月15日开始发热,精神不振,头痛,呕吐1次,次日排稀便2次,并反复抽搐2次,神志不清。查体:体温40.1℃,神志不清,压眶无反应,脉充实有力,周身皮肤未见瘀点、瘀斑,颈项强直(+),克氏征(+),肢体肌张力增强。血常规:WBC15×109/L。该患者脑脊液细胞数250×106/L,糖2.5mmol/L,氯化物115mmol/L,蛋白0.45g/L。便常规未见异常。下列哪种诊断可能性最大()
A. 中毒性菌痢
B. 流行性脑脊髓膜炎
C. 钩体病(脑膜脑炎型)
D. 结核性脑膜炎
E. 流行性乙型脑炎
F. 脑型疟疾