凿标委秘书处根据国家机械工业局国机管〔1999〕 6 76号《关于编制 2 0 0 0年制修订机械工业国家标准、行业标准项目计划的通知》要求以凿标委〔2 0 0 0〕 0 0 1号文下发行业各单位征集行业 2 0 0 0年标准制修订项目 ,经汇总最后上报了 4项标准制修订计划项目。它们是 :1.修订 Chisel standard committee Secretariat According to the State Administration of Machinery Industry National Machinery [1999] No. 6 76 “on the preparation of 2000 system revision of national standard machinery industry, industry standards project plan” requirement to chisel Standard Committee [200 0] 0 0 1 issue of the industry all units solicited industry standard 2000 revision project, the summary of the final report of the four standard revision project. They are: 1. Revision