Conclusion: the correct purging method is guarantees each kind of medical instrument clean quality and the asepsis quality key.

结论：正确的清洗方法是保证各种医疗器械清洗质量和无茵质量的关键。

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His clothes, though old and worn, looked clean and of good quality.

他的衣服虽然很旧，但看上去干干净净，质地很好。

《牛津词典》

They keep our air clean, reduce noise pollution, improve water quality and provide food and building materials.

他们保持我们的空气清洁，减少噪音污染，改善水质，提供食品和建筑材料。

youdao

Zoning laws would be rewritten so that, over time, large parcels of abandoned land would be converted into landscaped open space networks that would capture and clean storm water, improve air quality, and clean contaminated soil as well as provide new recreational opportunities like bike paths and hiking trails and create habitats for local wildlife and migrating birds.

FORBES: Detroit's Innovative Survival Plan Is A Model For The World - But Will It Work?

High petrol prices and the desire to clean up our air quality make them the smart choice.

ENGADGET: UK's first fuel cell-powered black cab hits the streets of London

The cruise capital may have good air quality, clean drinking water and vast green spaces, but it doesn't have many openings.

FORBES: Magazine Article