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关注：1
2013-05-23 12:21
求翻译：利用Na2S做钝化剂具有用量小、反应快、作用效果明显的优点。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
利用Na2S做钝化剂具有用量小、反应快、作用效果明显的优点。
问题补充： |
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2013-05-23 12:21:38
Has the advantages of small dosage, quick reaction, and the obvious effect of to use na2s passivation agent.
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2013-05-23 12:23:18
Use 2 Na S so blunt, with a small amount, responsive, Role of advantages.
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2013-05-23 12:24:58
Makes the passivator using Na2S to have the amount used slightly, responds quickly, the function effect obvious merit.
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2013-05-23 12:26:38
Na2S deactivator with small dosage, quick reaction, effect of obvious advantages.
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2013-05-23 12:28:18
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