发布时间:2025-01-18 11:45:40
水洗是一种工艺,经过水洗的牛皮更软更防水!头层牛皮是牛身上皮,具有良好的强度、弹性和工艺可塑性等特点。
0603贴片电阻表面丝印是30y表示阻值和精度多少另请说明0603贴片电阻e24和e96系列的读法
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