109分配阀作用原理及性能分析

摘要

Minutely analyzed of the structure, action principle and performance of 109 distribution valve in the hope of playing an active role in the relevant teaching and on-site production.%较为详细的分析了109分配阀的结构、作用原理和性能,以期对相关教学和现场生产运用起到积极作用.