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张家口煤矿机械厂按照煤炭部1986年科技发展计划的要求开发了SGB—630/220型大功率高档普采(也可用于经济型综采)工作面输送机,并于7月份在张家口煤矿机械厂召开了输送机方案审定会。有22个单位的27名专家出席了这次会议。与会专家一致认为:该方案的各项技术参数和总体布局设计合理,是可行的,可做为设计的原始数据;方案考虑了与多种采煤机和支架的配套形式;该方案采用了短机
Zhangjiakou Coal Mine Machinery Plant in accordance with the requirements of the Ministry of Science and Technology Development Plan 1986 1986 SGB-630/220 high-power high-grade general mining (also available for economic mining) face conveyor, and in July in Zhangjiakou Coal Mine Machinery Factory Conveyer convened a validation program. Twenty-seven experts from 22 units attended the meeting. The participating experts agreed that: The technical parameters of the program and the overall layout of the design is reasonable, feasible as the original design data; program to consider with a variety of shearer and stent supporting forms; the program uses a short machine