开关 AMAM 0100-09042 ¥1.00 齿轮 PIC DESIGN J5-198-1001P 19-00144-00 REV B ¥1.00 真空计 INFICON PCG410 ¥1.00 光刻机Nikon NVC6B-2C5TBN 523979 ¥1.00 电磁阀 CTI -CRYOGENICS 8186228G003 ¥1.00 脉冲马达 CHINA BF-1072-000 PF3-48G 1/60 ¥1.00