()forms over land,most frequently during autumn and winter over low-lying land,especially if it is damp and marshy and in valleys on quiet nights with clear skies.
A. FRONTAL FOG
B. MIXING FOG
C. ADVECTION FOG
D. RADIATION FOG
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制药块(片)应采用湿药切割,定量()kg。
A. 10
B. 5
C. 2
PLC针对不同的工业现场信号有()的I/O模块。
A. 相应
B. 通用
C. 唯一
D. 单独
患者男,70岁。足刺伤10日,头痛,乏力,张口困难及颈项强直,伤口红肿临床诊断为()
A. 气性坏疽
B. 败血症
C. 破伤风
D. 脑血栓
E. 牙周炎