研磨体的装载量与研磨体的填充率有何关系?
参考答案:
只要确定了研磨体的填充率,就能计算出研磨体的装载量,研磨体的装载量决定磨机填充率的大小。
根据对话内容,从对话后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
Peter: Oh, it’s nine o’clock. 1_____
Monica: 2____ We are on holiday.
Peter: I have to meet Mary at the airport.
Monica: 3____
Peter: At about ten o’clock.
Monica: Just stay a little longer and have another cup of tea. It’s fresh and wonderful.
Peter: I am sorry I can’t. Thank you just the same. I would be late if I have it.
Monica: 4___
Peter: I have enjoyed the meal very much. It was delicious.
Monica: Thank you. 5___
A.What a pity that you have to leave so soon.
B.Why so soon?
C.I’m so happy.
D.What time is she arriving?E. I must be off now.
F. I’m so glad you like it.
G. How I wish you could stay a little longer.
肺部叩诊呈浊音的是()。
A.肺炎
B.肺气肿
C.空洞型肺结核
D.气胸
E.液化了的肺脓肿