A.20 B.25 C.50 D.5
A.5% B.10% C.15% D.20%
A.卡钳 B.万用表 C.工控机电源 D.螺丝刀
A.local digital B.local analog C.remote D.pattern
A.202±2mm B.202±5mm C.205±2mm D.205±5mm
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