去年，五名矿工使用重型机械破坏了一段明朝长城，获刑一到三年。
Last year, five miners received jail terms of between one to three years for damaging a portion of the Ming Dynasty wall while using heavy machinery.
涡流可能会导致泵运行不稳定、振动、跳动和严重的机械破坏。
Vortexing Can cause unstable pump operation, vibration, pulsation and severe mechanical damage.
由钨和镍制成的测试探头适合于联接并能机械破坏铝的氧化进行接触。
The test probes made of tungsten or nickel are suitable for making contact with mechanical breaking of aluminum oxide.
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