含锰11- 14%的钢有极高的耐磨性，用于挖土机铲斗，球磨机衬板等。

Wear resistance high manganese steel 11-14%, for the excavator bucket, ball mill liner.

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实验结果表明，GDL-4钢具有优异的耐磨性。

Experiment effect prove that GDL-4 steel has better wear resistance.

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钢感觉坚固，使用时间更长，更耐磨。

Steel feels sturdy and is more resistant to time and wear.

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钢感觉坚固，使用时间更长，更耐磨。

Steel feels sturdy and is more resistant to time and wear.

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