中国大学MOOC: There are essential components in a spray dryer, they are .
中国大学MOOC: There are essential components in a spray dryer, they are .
There are essential components in a spray dryer, they are . A: atomization B: air handling C: separation D: drying chamber
There are essential components in a spray dryer, they are . A: atomization B: air handling C: separation D: drying chamber
Tick the things you have at home. A: printer B: oven C: microwave D: fridge E: washing machine F: hair dryer G: dishwasher H: television I: iron J: tumble dryer K: electric cooker L: vacuum cleaner M: air-conditioner
Tick the things you have at home. A: printer B: oven C: microwave D: fridge E: washing machine F: hair dryer G: dishwasher H: television I: iron J: tumble dryer K: electric cooker L: vacuum cleaner M: air-conditioner
Listen to the dialogue and choose the correct answer from the 4 choices marked A, B, C and D. What is the woman doing? 浏览器不支持音频 A: Doing the turn-down service. B: Repairing the dryer. C: Collecting the money. D: Telling the man some rules.
Listen to the dialogue and choose the correct answer from the 4 choices marked A, B, C and D. What is the woman doing? 浏览器不支持音频 A: Doing the turn-down service. B: Repairing the dryer. C: Collecting the money. D: Telling the man some rules.
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