WD615

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1.

In this thesis, the intake port-valve -cylinder three -dimensional model of the WD615 diesel engine was built by CATIA.

本文利用 CATIA 软件建立 WD615 柴油机的气道 -气门 -气缸的三维几何模型。

2.

The salt bath nitrocarburizing technology of WD615 diesel engine crankshaft was studied .

研究了 WD615 柴油机曲轴盐浴氮碳共渗工艺。