问题
问答题 简答题
简述灰层不能太大的原因？
答案
参考答案：
1.降低顶煤气温度；
2.减少煤的破碎性；
3.减少煤气的带出物；
4.增加加煤的均匀性。
搜题请搜索小程序“爱下问搜题”
简述灰层不能太大的原因？
参考答案：
1.降低顶煤气温度；
2.减少煤的破碎性；
3.减少煤气的带出物；
4.增加加煤的均匀性。
| 根据对话情景选择恰当的选项，其中有两项是多余的。 | |
L: Hello, Mr. Zhang. What are you going to do? Z: I have finished my work. 1_____ L: Would you like to go shopping with me? Z: 2_____ L: You know, my parents love Tang costumes very much. I want to buy some for them. Z: I hear there is going to be a fashion show in the shopping center. 3_____ L: Good idea! When shall we meet? Z: 4_____ L: By the way, what are Tang costumes made of? Z: 5_____ L: I see. OK. See you tomorrow. Z: See you. |