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Their lifetime can be prolonged if they are repaired with cast tungsten carbide powder.
采用铸造碳化钨修补后,可以延长使用寿命.
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Cast tungsten carbide powder is silver grey in outward appearance and multi - prism spray weldingspray coating.
粉状铸造碳化钨合金粉的外观呈银灰色,外形为多棱状.
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