林业科学2001，Vol.37Issue(1)：126-129,4.
福建省林用装卸桥合理更新期的研究
STUDY ON ECONOMIC SERVICE LIFE OF GANTRY CRAND FOR FORESTRY IN FUJIAN PROVINCE
摘要
Abstract
Based on the analyses on the relationships between avera ge direct operation cost,accumulative total operation volumes and the years used of gantry crane for forestry used in Fujian,the proper regeneration time of gan try crane for forestry was calculated in the paper.The results showed that the p roper regeneration time of gantry crane for forestry used in Fujian should be 10 ～15 year.关键词
林用装卸桥/合理更新期/单位作业成本/使用年限分类
农业科技引用本文复制引用
景林,郭建钢..福建省林用装卸桥合理更新期的研究[J].林业科学,2001,37(1):126-129,4.
