Water - power deep penetrator system can perforate clearly drainage channel utilizing the principle of pressure jet cutting.

水力深穿透射孔系统利用高压水射流钻孔的方式实现深穿透射孔.

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Through peoples long - time study, a way of no pollution is found for derusting - super pressure jet derusting.

通过人们 长期 的努力摸索、研究, 找到了一种无污染的除锈方法 —— 超高压水射流除锈.

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