OBJECTIVE To overcome shortcomings in use of bed sheet , and to improve it for examining bed .
目的针对传统中单在使用过程中的不足，对诊疗床上的中单进行改进。
This article analysed the factors affecting long period working of the circulation fluidized bed boiler from the Angle of assembling, running, examining and repairing.
从安装、运行、检修和技改的角度分析了影响燃烧劣质煤的循环流化床锅炉长周期运行的因素。
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