›› 1993, Vol. 29 ›› Issue (6): 569-572.
• 研究简报 • 上一篇
邱荣祖
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Qiu Rongzu
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关键词: 经济使用年限, 数学模型, 运材车
Abstract: A mathematical model to caculate the economical service life of EQ-140logging truck is established by means of trial caculation. The result showsthat the economical service life is 3.7 years when the purchase cost of a newtruck is $50000 and the interest is 8%;and the averaye cost does not changeobviously when the service life is 3.7 to 5 years; the higher the purchase costof a new truck is, the longer the economical service life is When the purc-base cost between $40000 and $60000, the economical service life is from3.3 to 5.1 years.
Key words: Economical service life, Logging truck, Mathematical model
邱荣祖. EQ-140型运材车经济使用年限的研究[J]. , 1993, 29(6): 569-572.
Qiu Rongzu. STUDY ON ECONOMICAL SERVICE LIFE OF EQ-140 LOGGING TRUCK[J]. , 1993, 29(6): 569-572.
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