This paper analyses the band structure with nodular graphite that was first found on the cross section of the gray iron bar in the experiment.
通过试验分析，首次在灰铸铁型材断面上观察到球状石墨的带状区，并对这种带状组织及成因进行了分析探讨。
The a Series encompasses many value-added features such as an extra long graphite filled cast iron rod bushing and a standard oversized wear band that is located on the rear of the piston.
A系列包括许多价值，如超长附加功能填补石墨铸铁连杆衬套和一个标准的超大磨损乐队，是在活塞的后方位置。
This includes the extra long graphite filled cast iron rod bushing and a standard oversize wear band (located on the rear of the piston).
这包括超长石墨填充铸铁连杆衬套和一个标准的特大型穿带（位于活塞后）。
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