Two discs of foam were cut out to the inside diameter of the hull.
两盘的泡沫被削减到内直径的船体。
The device could realize real time tracking of round log diameter and could cut out even wood chips.
该装置能实现实时跟踪圆木直径，切出均匀的木片。
The device could realize real time tracking of round log diameter and could cut out even wood chips.
该装置能实现实时跟踪圆木直径，切出均匀的木片。
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