螺丝SCREW,SST PAN HEAD M3X6，用于UV-1280

甲醇中18种β-受体激素混标溶液, 100μg／ml

10mm光程石英比色皿一对CELL,10MM(S)MACHED PAIR，用于UV-2450／UV-2550

PEEK连接管SAMPLE COIL ASSY,PEEK，用于SIL-10AI