英语词汇direct positive emulsion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

单词	direct positive emulsion
释义	direct positive emulsion 简明释义直接正性乳剂网络释义 1 [感光]?直接正像乳剂 ... 直接正像材料 direct positive material 直接正像乳剂 direct positive emulsion 直接正像银盐胶片 direct positive silver film ... 双语例句 1 Gold plays a very important rule in the pre-fogging process of the direct positive emulsion. 直接正性乳剂预灰化时，金有重要作用。
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