主题：公司财务词汇 ... purchasing-power parity (PPP) 购买力平价 pure discount bond 纯贴现债券 pure-discount bonds 纯折价债券 ...
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high-pure water ultrasonic cleaning 高纯水超声波清洗
Water pollution reduces the amount of pure, fresh water that is available for such necessities as drinking and cleaning, and for such activities as swimming and fishing.
水污染使得我们用来饮用和清洗的纯净新鲜的水资源不断减少，用于游泳、垂钓的水源也在减少。
Wash the wafers with mixed acid, lotion and UPW (ultra pure water) by ultrasonic cleaning in wet sinks to get a clean and dry surface of wafers.
用混合酸、清洗剂和纯水在清洗槽或超声波清洗机内清洗硅片，使其表面洁净并烘干。
Use of the environmentally water-based neutral cleaning agent, such as municipal water pure water, etc.
超声波清洗机使用环保型水基中性清洗剂、市水或纯水等。
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