百度试题 题目On average the fire drill is arranged twice a month in our school, to teach students how to deal with dangerous ___. A.states B.conditions C.situations D.positions 相关知识点: 试题来源: 解析 C 反馈 收藏
On average the fire drill is arranged twice a month in our school, to teach students how to deal with dangerous ___. [ ] A.states B.conditions C.situations D.positions 点击展开完整题目 查看答案和解析>>
aSimilarly, in case of drilling MMC brake rotors with 20-48% silicon carbide, a 6.35-mm drill could produce less than one hole on average. 同样,在钻井MMC闸电动子的情况下与20-48%碳化硅, 6.35毫米钻子能平均导致少于一个孔。[translate]
More sophisticated monitors can track usage over time in watt-hours and kilowatt-hours (kWh). Some even allow you to input your electricity cost per kWh to calculate how much money the appliance costs to operate over a given period, like a day or a month....
Answer to: A variable-speed drill, initially turning at 150 rpm, speeds up to 1300 rpm in a time interval of 1.0 s. What is its average rotational...
Answer to: A variable speed drill, initially turning at 500 rpm, speeds up to 1300 rpm in a time interval of 0.8 s. What is its average rotational...