Peking Opera is only enjoyed by people from the country’s capital, Beijing.
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Kunqu opera is about 400 years older than Peking Opera.
A. 对
B. 错
湿粕在利用高速蒸汽流闪蒸后,残留溶剂含量为()%
A. 1-3
B. 3-5
C. 5-7
D. 7-9
真空脱溶工艺中,真空脱溶最佳温度为()℃。
A. 65
B. 75
C. 85
D. 95
混合气体组分有哪些?
A. 溶剂汽体
B. 水蒸气
C. 油
D. 粕粉