The negative - pressure method is a new plugging relief and injection gain technology.

负压法地层解堵工艺是一项新的解堵增注技术.

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A low - pressure method may provide a less expensive route to ultrahard materials.

将能以成本较低的方式制造这种硬度超高的材料.

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The application of a film pressure method to natural water body was presented.

膜压法在自然水体中的应用较为广泛.

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