三防的英文

英语自学网

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。