免费成人A片免费看|亚洲有码视频在线观看|美女毛片视频激情超碰|91精品国产欧美一区二区成人|久久无码精品一级A片一高潮不断|亚洲性爰专区三级片不卡免费|欧洲另类AV无码国产免费看|免费观看黄片视频|三级黄色网片在线|国产精品一区二区三区网址

單詞乎

pure semiconductor

pure semiconductor是什么意思、pure semiconductor怎么讀

pure semiconductor漢語翻譯

【計(jì)】 純半導(dǎo)體

pure semiconductor例句

  1. A substance, such as boron, added in small amounts to a pure semiconductor material to alter its conductive properties for use in transistors and diodes.
    摻雜質(zhì),摻質(zhì)劑加入純半導(dǎo)體材料中的少量硼等物質(zhì),用于晶體管和二極管中以改變半導(dǎo)體的導(dǎo)電率
0
糾錯