What is your_____practice on the mode of payment?
A. regular
B. common
C. uausl
D. special
查看答案
Which of the following expressions are demanding favorable terms of payment?
A. L/C at sight is what we require for all our customers.
B. Would you please tell us the terms of payment?
C. Now let's discuss the question of payment terms.
D. I don't think it is the proper time for us to accept payment by D/P.
接触式温度的作用是
A. 测量温度
B. 控制温度
C. 控制电流
D. 调控接触
贝克曼温度计的优点是
A. 温度测量的精度高
B. 温度测量范围小
C. 温度控制范围小
D. 可以控制升温速率
恒温槽的组成有
A. 电源
B. 搅拌器
C. 接触式温度计
D. 加热丝
E. 水槽
F. 贝克曼温度计
G. 继电器
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