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The cover is an important component of the sludge aggradation tank.
污泥沉积池罩是污泥沉积池的重要部件。
youdao
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He took off his overcoat to cover the water tank and prevent it from freezing.
脱下大衣盖在水箱上，以防止冻冰。
youdao
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He took off his overcoat to cover the water tank and prevent it from freezing.
脱下大衣盖在水箱上，以防止冻冰。
youdao