差压变送器测流量,已知流量为0~1000吨/小时对应差压为0千帕~160千帕,差压变 发布时间:2017-08-03 09:36 │ 来源:www.tikuol.com 题型:问答题 计算题 问题: 差压变送器测流量,已知流量为0~1000吨/小时对应差压为0千帕~160千帕,差压变送器输出电流为4~20毫安,当流量为750吨/小时时,对应的差压和电流各为多少?
题型:问答题 计算题 补全对话。 A. But we have very good juice with ice in it. B. What would you like? C. Bring us two cups of juice with ice, please. D. Yes. E. Orange juice, please. A: Can I help you? B: __1__ We would like something to drink. A: __2__ B: Let me see. Do you have coke with ice? A: Sorry. I don't think so. __3__B: OK. __4__ A: Do you like some apple juice or orange juice? B: __5__ A: OK. Two cups of orange juice with ice. 查看答案
题型:问答题 计算题 矿山安全技术( )用于开采矿石很不稳固或矿石和围岩均很不稳固,矿石品位很高或价值很高的有色金属或稀有金属矿体。A.上层倾斜分层充填采矿法B.上层水平分层充填采矿法C.分采充填采矿法D.下向分层充填采矿法 查看答案
题型:问答题 计算题 (91~94题共用题干)男性,52岁,阵发性心悸半年,时有胸闷,登二楼觉气急3个月,下肢水肿3天来门诊。心电图示窦性心律,心率64次/分,P—R间期 0.24s,伴完全性右束支传导阻滞,诊断为扩张型心肌病,心功能不全。入院后予以洋地黄、利尿剂和扩血管药物治疗。第4天突然神志不清,抽搐,听诊心音消失,血压为0mmHg,经救治后神志清醒,心跳恢复,心率45次/分,并有频发室性期前收缩。此时首要的处理是A.拆除颈部切口缝线,检查有否积血B.检查引流管通畅与否C.气管切开D.立即静脉注射10%氯化钙20ml 查看答案