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1.The sloped tube is used to collect rainwater for irrigation.
斜面管用于收集雨水进行灌溉。
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2.The sloped tube is designed to prevent water from flowing too quickly.
斜面管设计用来防止水流过快。
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3. The sloped tube was installed in the garden to help with drainage.
斜面管被安装在花园里，以帮助排水。