问题
单项选择题
聚合物干粉装入斗后，通过（）把一定重量的粉剂均匀的加入到风力输送管内。
A.水粉混合器
B.搅拌器
C.计量下料器
C.振动器
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
聚合物干粉装入斗后，通过（）把一定重量的粉剂均匀的加入到风力输送管内。
A.水粉混合器
B.搅拌器
C.计量下料器
C.振动器
参考答案：C
| 阅读理解。根据短文内容，完成下列各句。 Mrs. Green is going to give a birthday party for Kate. Kate is her daughter. Kate will be fourteen years old. A lot of Kate's friends will come to the party. Mrs. Green will go shopping. She will buy some fruit and a big cake for the party. It's three o'clock now. Everything is ready. Kate is wearing her new dress. It's a white dress. Now the doorbell is ringing. Kate's friends are outside the door. The party is going to start at three twenty. 1. Kate is Mrs. Green's _____. 2. Kate is _____ years old now. 3. Kate's _____ will go shopping. 4. Kate is wearing a new _____. 5. The party is going to start at three _____. |