防水封裝NTC熱敏電阻防水溫度探頭溫度傳感器温度感應器感應器防水感温針測探頭温度5k,10K B3435,5k,20k,15k,25k,50k熱敏電阻防水感應頭探頭尺寸直徑4mmx20mm 温度感應 ...
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