In the context of the different types of middlemen, which of the following is an example of a manufacturer’s retail store?

A、低压侧线电动势相位滞后高压侧线电动势相位270°
B、低压侧相电动势相位滞后高压侧相电动势相位90
C、低压侧线电动势相位超前高压侧线电动势相位270°
D、低压侧相电动势相位超前高压侧相电动势相位90°

A.存在两种互不相容的液体
B. 要有适宜的搅动
C. 要有乳化剂的存在
D. 要有较高的温度

A、装料送液
B、升温小放汽
C、保温
D、大放汽和喷放