常見(jiàn)例句trimmer potentioneter [電] 修整電位計(jì)carbon film potentioneter 炭膜電位器universal potentioneter [電] 通用電位表bifilar potentioneter 雙線電位計(jì)multiturn potentioneter [電] 多轉(zhuǎn)電位 返回 potentioneter