我们已经失去了对一桩耗时长久、不能速成的大型工件，不停地削凿、削凿、削凿的能力。
We've lost the ability to keep chipping away, chipping away, chipping away at a large task that's going to take time and can't be speeded up.
因此，对衬板材质的要求是：既要求具有很高的表面硬度，以抵抗矿石的凿削与切削，又要求具有很高的强度与韧性，以抵抗冲击载荷。
Therefore, the liner materials should be required to have both very high surface to resist the drilling and cutting of ore and very high strength and toughness to resist impact Lord.
认为其机制主要是：凿削式磨粒磨损和疲劳磨损。
It is concluded that the mechanisms include gouging abrasion and fatigue wear.
改性奥氏体锰钢适用于冲蚀磨损、凿削磨损以及高应力磨损等工况条件下。
The modified austenitic manganese steel is suited for the operating condition of impact-corrosive wear, chisel-cutting wear and high stress wear.
冲击磨料磨损过程以冲击变形磨损为主，兼有切削磨损和凿削磨损。
The impact abrasive wear-off process contained the impact deformation wear as main, and also the cutting wear, as well as the chiseling wear.
冲击磨料磨损过程以冲击变形磨损为主，兼有切削磨损和凿削磨损。
The impact abrasive wear-off process contained the impact deformation wear as main, and also the cutting wear, as well as the chiseling wear.
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