短語(yǔ)詞組短語(yǔ)sliding -contact bearings 滑動(dòng)軸承sliding metal contact 滑動(dòng)金屬觸點(diǎn)sliding electric contact material 滑動(dòng)電接觸材料sliding electrical contact materials 滑動(dòng)電接觸sliding electrical contact 滑動(dòng)電接點(diǎn)sliding g contact 滑動(dòng)接觸coil with sliding contact 滑觸線圈 返回 sliding contact