The most important information to be obtained from a barometer is the().
A. difference between the reading of the two pointers,which shows wind direction
B. last two figures of the reading of the pointer,such as 87,76,or 92
C. present reading of the pressure,combined with the changes in pressure observed in the recent past
D. weather indications printed on the dial (such as cold,wet,etc.) under the pointer
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突发事件发生后,当地人民政府及其有关部门和机构应当如何处理?
西方的“博爱”可以说是先秦墨家()思想的最好对译,它还脱去了西方“博爱”的宗教色彩。
物料提升机发生若下故障,电机启动困难,并有异常响声。请分析故障发生的可能原因:()。
A. 制动器没调好或线圈损坏
B. 严重超载
C. 电动机缺相
D. 全部正确
浓缩饲料、配合饲料、精料补充料生产企业的配料、混合工段应当采用计算机自动化控制系统。
A. 正确
B. 错误