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问题:当采用分组装配法装配时,如果将零件的公差放大三倍,则装配时零件应...
Sunday, September 11, 2022
问题:按激光器的工作方式,激光焊接可分为脉冲激光点焊和()。...
Monday, June 30, 2025
问题:若铸件圆周表面质量要求高,应选择立铸,以便()。...
Thursday, October 31, 2024
问题:气孔减少了铸件的有效截面积,造成局部(),降低了铸件的力学性能。...
Saturday, September 10, 2022