microminiature相关论文
A new method was proposed to directly measure the effective resistance and distinguish the porous frequency in the regen......
金属粉末注射成形技术是现代塑料注射成形技术与粉末冶金技术相结合形成的一门新型粉末冶金近净成形技术。该方法工艺过程与塑料注......