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???????????????????????????????????? explosion crushing, hydraulic crushing, ultrasonic crushing (that is, using the impact of ultrasonic high-frequency oscillation to break the material), thermal cracking (that is, heating the material, changing its surrounding pressure to break it), high-frequency electromagnetic wave breaking (Using high-frequency or over-frequency electromagnetic waves (above 3000MHz/s) to make the surface of the material subject to high heat, causing huge tension to break), hydroelectric effect is broken (using ionic liquid to produce short-term pulse high-voltage discharge to break the material).
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