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Water is one of the most important environmental elements.
水是重要的环境要素之一。
youdao
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Power drive elements of world famous brand are environmental and reliable.
国际著名品牌的动力传动元件，环保可靠。
youdao
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Power drive elements of world famous brand are environmental and reliable.
国际著名品牌的动力传动元件，环保可靠。
youdao