室内外电源线单独布放时需（）并固定墙上或沿着走线架编织好。 发布时间：2019-06-26 10:52 │ 来源：www.tikuol.com 题型：填空题 问题： 室内外电源线单独布放时需（）并固定墙上或沿着走线架编织好。
题型：填空题 阅读短文，完成表格。 Do you believe there are aliens (外星人)? Well, make a phone call and you will know. A group of Americans can help. They made a device (装置) to "talk" to aliens. If you want to talk to an alien, you only need to visit www. Talk To Aliens. com, call l-900-226-0300 and say, "Hello aliens, this is Earth calling. Can you hear me?" You can say anything you want. But now, they only take phone calls from people in the US. The call is $ 3. 99 every minute. After the hotline began in February, www. Talk To Aliens. com has got hundreds of calls. There is one call every three minutes. They are also trying to send people's e-mails, photos and videos into space. Who can help you talk to an alien?1. ______ Americans can help.How can you talk to an alien?2. ______ www. Talk To Aliens. com.3. ______ 1-900-226-0300.4. ______ anything you want. 查看答案
题型：填空题 某高炉冶炼炼钢生铁，[Ｓｉ]为0.6%，要求提[Si]到1.0%，该炉的冶炼条件：矿批＝8.0t，矿石Fe=56.4%，渣R=1.1，熔剂有效CaO=50%，焦炭含SiO2=7%，请求出每批料焦炭和熔剂的调整量。（为简化计算，提硅时其他操作制度不变。生铁含Ｆｅ＝94％，[Ｓｉ]±1％影响焦比40Ｋｇ／ｔＦｅ，熔剂按100Ｋｇ配焦炭20Ｋｇ考虑，计算结果取整数）。 查看答案