Cleaning work should be in the early morning or evening sunshine is not strong, the temperature is low, in order to prevent the transparent cover by cold water.

清洗工作应在清晨或傍晚日照不强、气温较低时进行，以防止透明盖板被冷水激碎。

youdao

Non welded technology, USES no heat and tubing is all cold drawn, therefore there is no requirement for chemical cleaning, either on site or Offsite.

无焊接管路连接技术的管路都是冷拔的，无需任何加热，因此无论是装置前或装置后，都不需要化学清洁。

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Hot and cold drinking water can be conveniently provided; accurate metering cleaning can be ensured, which avoids the secondary pollution and ensures safety and reliability.

能够方便提供冷热饮用水，而且可以保证准确计量清洗，避免二次污染，安全可靠。

youdao

The feedback has also led to warmer wards in the cold weather, an end to noisy vacuum cleaning first thing in the morning, and better access to TV remote controls.

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Long before he became the bleeding edge of the green building industry, David Borchardt, the Chief Sustainability Officer at Rockville, MD-based Tower Companies, earned his spurs cleaning up many of the most polluted Cold War weapons sites in the United States.

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