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船舶动力机械以及特辅机械中铸件占有相当大的比例，船机铸造技术的高低直接反映了船机的制造技术水平。随着大量引进船机产品，大型、复杂、精密铸件的增多势必要求铸造技术有一较大的发展。在船机产品中诸如柴油机机身、气缸盖、各种压力泵壳体、螺旋桨等的制造技术亦应满足?
Marine power machinery and special machinery occupy a considerable proportion of castings, casting machine technology directly reflects the level of shipbuilding manufacturing technology. With the introduction of a large number of ship machine products, large, complex, precision castings will inevitably require an increase casting technology has a greater development. In the ship products such as diesel engine fuselage, cylinder head, a variety of pressure pump housing, propeller manufacturing technology should also be met?