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【多选题】
为保证线路的安全运行，防污闪的措施有确定线路的污秽区的污秽等级、定期清扫绝缘子、（）。A.
更换不良和零值绝缘子
B.
增加绝缘子串的单位泄漏比距
C.
采用憎水性涂料
D.
采用合成绝缘子
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举一反三
【简答题】The business buying center is the group of people who make purchasing decisions on behalf of a company.
【单选题】________ refers to the stage of the business buying process in which the buying organization decides on and specifies the best technical product characteristics for a needed item.
A.
Performance review
B.
General needs description
C.
Product development
D.
Proposal solicitation
E.
Product specification
【单选题】All of the following are examples of the first stage of the business buying process except_____.
A.
a company decides to launch a new product.
B.
a machine breaks down and needs new parts.
C.
a buyer invites qualified suppliers to submit proposals.
D.
a purchasing manager is unhappy with a current supplier's service.
【判断题】The business buying center is the group of people who make purchasing decisions on behalf of a company.
A.
正确
B.
错误
【单选题】Which of the following factors influencing the business buying process do marketers typically find most difficult to assess?
A.
economic
B.
technological
C.
interpersonal
D.
organizational
E.
environmental
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