英语词汇primary envelope怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

1
?一次安全壳
... primary element 一次元件，基本元件，原电池；主要元件 primary envelope 一次安全壳，主要外壳 primary event 初始事件 ...

短语

1
The secondary envelope may be deposited on the primary envelope surface and it is formed by the substances secreted from the granules cells.
初级卵膜源于卵母细胞，次级卵膜由晚期滤泡细胞分泌形成。
2
The primary question is the energy saving in envelope. Solar heat gain of Windows is an important factor that influences the energy consumption of air conditioning in buildings.
建筑节能面临的首要问题是建筑围护结构的节能，而窗的太阳得热量是影响建筑空调能耗的一个非常重要的因素。
3
Envelope included primary and the secondary envelope.
卵膜包括初级卵膜和次级卵膜。

单词	primary envelope
释义	primary envelope 简明释义一次安全壳，主要外壳网络释义 1 ?一次安全壳 ... primary element 一次元件，基本元件，原电池；主要元件 primary envelope 一次安全壳，主要外壳 primary event 初始事件 ... 短语 1 primary egg envelope 初级卵膜双语例句 1 The secondary envelope may be deposited on the primary envelope surface and it is formed by the substances secreted from the granules cells. 初级卵膜源于卵母细胞，次级卵膜由晚期滤泡细胞分泌形成。 2 The primary question is the energy saving in envelope. Solar heat gain of Windows is an important factor that influences the energy consumption of air conditioning in buildings. 建筑节能面临的首要问题是建筑围护结构的节能，而窗的太阳得热量是影响建筑空调能耗的一个非常重要的因素。 3 Envelope included primary and the secondary envelope. 卵膜包括初级卵膜和次级卵膜。
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