裂纹往往是故障件发生断裂的直接原因，对柴油机的整机质量会造成致命损害。

Crack is the direct cause for component fracturing and results in serious damage for whole engine.

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高强度底架，整机运行质量稳定。

High strength underbed, the complete machine running quality is steady.

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装载机构是铲运机的重要工作装置，其设计质量、工作性能直接影响整机的生产率、工作质量和使用寿命。

A loading machinery is an important working unit of a scraper and its design quality and working performance have direct influences on productivity, working quality and using life of the machine.

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