Obviously the roots of this problem lie on both sides of the ocean, and an effective clean up will require joint efforts.

显然，问题的根源涉及大洋两岸，要想根除还需双方共同努力。

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The highly effective clean performance , prevents the carbon deposition and the greasy dirt production.

高效的清洁性能，防止积碳和油泥的产生。

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The experiment results show that ultrasonic cutting technique is an effective, clean and controllable method for machining of carbon fibre prepreg. $

实验结果表明，对于纤维预浸料的切割与下料，超声切割技术是一种可获得高质量、高效率的加工方法。

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The experiment results show that ultrasonic cutting technique is an effective, clean and controllable method for machining of carbon fibre prepreg. $

实验结果表明，对于纤维预浸料的切割与下料，超声切割技术是一种可获得高质量、高效率的加工方法。

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