日本三级无码啪啪区|午夜视频久久一区久久一|AAAAA一级黄片|日本久久99久久|国际精品AV在线|狠狠2015亚洲一区|美腿丝袜亚洲网站|欧美色多多人人看|国产超碰美女在线|www色色在线色

單詞乎

pure semiconductor

pure semiconductor是什么意思、pure semiconductor怎么讀

pure semiconductor漢語翻譯

【計】 純半導體

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，摻質劑加入純半導體材料中的少量硼等物質，用于晶體管和二極管中以改變半導體的導電率
0
糾錯