The testing results show that the newly developed coating is excellent in abrasion-resistance and impact-resistance and can effectively prolong the service life of coal hopper cars.
试验结果表明，新涂料耐磨抗冲击、防腐性能优异，可有效地延长运煤敞车的使用寿命。
The testing results show that the newly developed coating is excellent in abrasion-resistance and impact-resistance and can effectively prolong the service life of coal hopper cars.
试验结果表明，新涂料耐磨抗冲击、防腐性能优异，可有效地延长运煤敞车的使用寿命。
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