调制可以切换使用的三醋酸锑溶液和乙二醇锑溶液，相同的是（）。_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题单项选择题

调制可以切换使用的三醋酸锑溶液和乙二醇锑溶液，相同的是（）。

A、调制温度

B、投料量

C、调制浓度

D、调制锑离子浓度

答案

参考答案：D

填空题

看图，选用方框中的单词完成对话。

brother grandfather father sister grandmother

1. —Is she your mother?
    —No, she isn't. She is my ________.
2. —Is he his uncle?
    —No, he isn't. He is my ________. He is in Class One, Grade One.
3. —Is that your _______?
    —Yes, it is.
4. —Is she your friend?
    —No, she isn't. She is my ________.
5. —Is that Jack's uncle?
    —No, it's his _______.

单项选择题

将能量由原动机传递到工作机的一整套装置称为（）。

A、转换机

B、驱动装置

C、转换装置

D、传动装置