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随着第一汽车集团公司载货车的更新换代,大吨位重型车的投产,尤其是底盘焊装桥取代铸造桥,及日产柴油机投产,有很多大的铸件需要生......
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本文主要论述了乳剂熔化过程中光谱增感、过滤精度和静置时间等因素对印刷胶片性能的影响,归纳出印刷胶片生产的一个优选方案.......
Project Management and Coordination of Distributed Cooperative Product Design in a Virtual Enterpris
The architecture of project management of distributed concurrent product design in a virtual enterprise is put forward. ......