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dayibalangbi电位器很好假货也少<br>挑积分电容不是看d值,要看介电吸收,这点电桥看不出来,介电吸收小的聚丙烯d基本都不错,但d小的介电吸收不一定小,直接选大牌子的聚丙烯,只要放的下选最高耐压的<div id="alert_77427125" style="color:gray;margin-top:30px">[ 此帖被dayibalang在2019-02-26 08:45重新编辑 ]</div>
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天猫精灵49!360行车仪