High pressure cast iron的意思|示意

This paper describes the character of vermicular cast iron pipe and the use of it in the sub-high pressure town gas pipeline.

本文重点阐述蠕墨铸铁管的性能和用于城市次高压煤气管网的可行性。

The production method of as-cast high strength and toughness ductile iron crankshaft for "Shenlong" brand car with high pressure moulding line was finally determined.

在高压适型线生产中，获得铸态条件下生产强韧性神花轿车球铁曲轴的生产工艺。