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半导体材料对温度敏感，是一个非常致命的缺点。
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Part oneYou are a seminar organiser. You want to check details for an event next week with your two assistants. Write an email to your staff. Write 40-50 words.Say which rooms you have booked for the event.Ask them to confirm the schedule with security.Explain that one participant will be late.
精益生产(LP)是美国麻省理工学院研究下列哪个汽车品牌的研究成果( )
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