输调漆循环系统的一对多供应方式的优点是减少了在线循环油漆量，便于人员维护。
参考答案：对
Does that tea have enough sugar in it?（）
A.Yes, it is. Thank you.
B.Yes, it does. Thank you.
C.Yes, I will. Thank you.
D.Yes, I do. I like it.
超声波测厚对被测面有什么要求？
