三防的英文
三防的英文：three proofings
参考例句：
[*]Defence equipments against nuclear,chemical and biological weapons
三防装备three是什么意思：
num. 三，三个
[*]three coat,three bake
“三涂三烘” 工艺(反复涂三道漆，烘干三次的施工方法) [*]fiveteen contains five and three.
15可被5和3除尽。[*]To draw three feet of water
吃水三尺 [*]It earned three Grammy Awards.
它赢得三项格莱美奖。[*]None of these three can be excluded.
这三者缺一不可。proofings是什么意思：
校对; 防护
[*]First proof: The earliest proof used for checking by proof readers.
初稿:给校对员校对的最先稿样。[*]Rough proof: Proof for identification rather than reading.
粗稿样:只用来辨认，不作校对的稿样。[*]Clean proof: A printer's proof in which there are no errors.
清样:没有错漏的稿样.[*]The proof is recoated with dichromate emulsion.
将这张校样重新涂以重铬酸盐乳剂。 [*]A flow of words is no proof of wisdom
口若悬河不能作为才智的证明。
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