The design of an energy-saving cleaning device for high-rise building exterior wall is based on the cavitation jet technique.
The design of an energy-saving cleaning device for high-rise building exterior wall is based on the cavitation jet technique.
A.正确
B.错误
正确答案：正确
Tag：大学生创新创业实践
时间：2022-01-19 21:57:50
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