A.20±1℃濕度>50% B.20±2℃濕度>70% C.20±2℃濕度>50% D.20±1℃濕度>70%
A.5mm B.10mm C.50mm D.20mm
A.±10%,±5% B.±10%,±10% C.±15%,±10% D.±15%,±5%