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

glass bulb

glass bulb是什么意思、glass bulb怎么讀

glass bulb漢語翻譯

【電】 玻璃燈泡

glass bulb例句

  1. In small lamps, all the air is pumped from the glass bulb, forming a vacuum, which prevents the white-hot filament from burning away.
    在小照明燈中，所有的空氣都從燈泡中抽出，形成真空，以防熾熱的燈絲被燒毀。
  2. A glass bulb filled with finely shredded aluminum or magnesium foil that is ignited by electricity to produce a short-duration high-intensity light flash for taking photographs.
    閃光泡一種內(nèi)部裝有鋁箔或鎂箔的精細碎片的玻璃燈泡，用電點燃以發(fā)出短暫的高強度閃光，從而拍攝照片
0
糾錯