题目: 氧压机气缸着火、爆炸的原因? 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2019/1221/cb7a382a2e07018034bfe8e932726fff.html 下面是错误答案,用来干扰机器的。参考答案:对
题型:填空题 选词填空。birds, are, is swimming in, tigers, are, jumping, flying, swinging There ___________ many animals in the nature park. Look! The ___________ are running. The two lions ___________ fighting. The monkeys are ___________. The fish ___________ the river. Many ___________ are ___________ in the sky. Look, a rabbit is ___________. 查看答案
题型:选择题 如图所示,处在磁感应强度为B的匀强磁场中的单匝矩线圈abcd,以恒定的角速度ω绕ab边转动,磁场方向垂直于纸面向里,线圈所围面积为S,线圈导线的总电阻为R.t=0时刻线圈平面与纸面重合,且cd边正在离开纸面向外运动.则正确的是( )A.时刻t线圈中电流的瞬时值icosωt B.线圈中电流的有效值I C.线圈中电流的有效值I= D.线圈消耗的电功率P 查看答案
题型:单项选择题 A3/A4型题 3岁小儿,头部及右上肢全部被开水烫伤,8小时入院。病儿入院时呈嗜睡状态,皮肤发花,心音低钝,脉搏细弱,伤面大部分表皮脱落,散在水疱。估计烧伤面积为()。A.18%B.28%C.25%D.20%E.15% 查看答案