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为适应航空工业发展的需要,我部于一九七一年召开了工艺装备标准化会议,并确定按部(71)三综519号文对有关标准进行整编。本修订组在部有关部门的领导下,于一九七一年十一月开始工作,通过对有关单位和企业的调研和发函征求意见,在部属有关企业和其他工业部有关单位的大力支持和协助下,经过本组同志的努力,已将此两项标准修订完毕,现将修订过程中有关问题说明如下:
In order to meet the needs of the development of the aviation industry, the Ministry of Machinery Industry held a standardization meeting on process equipment in 1973 and determined that the relevant standards should be reorganized in accordance with Article 71 (71) Sanhe 519. Under the leadership of relevant ministries and departments concerned, this Revision Team started its work in November 1971 and solicited opinions from relevant departments and enterprises, and provided strong support to the relevant subordinate enterprises and other relevant departments of the Ministry of Industry With the assistance of these two standards, the two standards have been revised with the efforts of our own group. The relevant issues in the revision process are as follows: