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- For one thing they keep the water clean. 一方面，他们可以保持水的清洁。
- How can we make waste water clean? 我们怎样才能使废水净化呢?
- They did nothing to make the waste water clean. 他们没有采取措施净化废水。
- We must keep sea water clean and stop polluting it. 我们必须保持海水干净,停止污染。
- Use clean water to remove dirt, and keep the water clean. 用干净的水去掉杂质，同时要保持水的干净。
- This filter moves dirt suspended in the water and keeps the water clean. 这个滤水器能去除水中残留的脏东西，保持水的干净。
- Dredging the river aims at keeping the river course smooth and water clean. 清挖河道是为了保持河道畅通，河水清洁。
- Yes, they can keep oil and water apart and keep the discharged water clean. 是的。它们可以使油水分开,从而使排放的水保持清洁。
- Must use the boiled water clean, avoids contacting the unboiled water. 要用熟水清洗，避免接触生水。
- A low-pressure water cleaning facility for the elements is provided for use after the GGH has come off-line. 低压冲洗水系统是在热交换器停运后冲洗设备元件用的。
- ODS phase-out the use of ozone-depleting substances and protect the human environment.Modern electronic products assembled in the water cleaning process. 为淘汰破坏臭氧层物质ODS的使用，保护人类生存环境，适用于现代电子工业产品组装的水清洗工艺流程。
- The company mainly produces PAM which plays roles in oil producing, waste water cleaning, drinking water cleaning, mining, sugar making, paper manufacturing, and so on. 公司主要生产经营用于油田、污水处理、饮用水、采矿、制糖和造纸等领域的国内外聚丙烯酰胺（PAM）系列产品。
- Though there were a lot of difficulities, they managed to make the waste water clean. 尽管有许多困难,他们还是设法把废水净化了。
- The answer is that the seaweeds produce various chemicals that help keep the sea water clean. 答案是海藻产生各种各样的化学物质,这些物质可以保持海水清洁。
- The answer is that seaweeds produce various chemicals that help keep the sea water clean. 答案是海藻生产出各种各样的化学物质,这些化学物质有助于使海水保持清洁。
- Washing away the water cleaning agent shall not be left on the roll and or petrol residual liquid water by a version of the ink on the roll should be carefully curettement clean. 纯洗后的火辊套上不得遗留纯洗剂或汽油残液，靠版火辊上强硬的油不朱答澈底刮不兴肮脏。
- The clear water mirrored the blue sky. 清澈的水中映出蔚蓝的天空。
- Fulvic acid complex concentrate (for animal) able to adjust the pH of water, more suitable for fish survival. After use, water clean, not muddy. 复合黄腐酸浓缩液（动物用）可以调节水的酸碱度，更适合鱼类的生存。使用以后，水质清洁、不浑浊。
- The nurse diluted the drug with saline water. 护士用生理盐水把药加以稀释。
- Method: Takes 1 soupspoon milk, the addend drop olive oil and the few bread flour mixes evenly, spreads on the clean surface, after doing, by lukewarm water clean. 方法：取1汤匙牛奶，加数滴橄榄油和少量面粉拌匀，敷在清洁的面上，干后以温水清洗。
