本文针对日本小松4d、6d等型柴油机的使用实践，系统分析了缸套的穴蚀现象。

Based on the application practice of Komatsu diesel engine model 4d and 6d the cavitation phenomenon in cylinder liner is analyzed systematically.

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日本小松公司不久前从中国最大煤矿商手里拿到了制造44辆“特大型倾卸货车”的订单。

Komatsu of Japan has just won an order for 44 "super-large dump trucks" from China's biggest coal miner.

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济宁一特工程机械有限公司是一家专业经营美国卡特彼勒，日本小松挖掘机零部件的经销、批发商。

Jining a te engineering machinery Co., LTD is a specialized management American caterpillar, Japan komatsu excavator parts distribution, wholesaler.

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