欧姆龙/OMRON_伺服电机_R88MK20030H-S2
面议
欧姆龙/OMRON_伺服电机_R88M-K10030H-S2
爱德华/EDWARDS_真空干泵_A736-01-983
丰润泽/FRZ_电位器_PF1000