From inner to outside, the composite pipe consisted of alumina ceramic layer, metal transition layer, white cast layer, carbon atom diffusion layer and nodular cast iron layer.
复合管从里到外由氧化铝陶瓷层、金属过渡层、白口铸铁层、碳原子扩散层、球墨铸铁层组成。
The ductile-embrittlement transition temperature of vermicular graphite cast iron increased with increasing phosphorus content both in the as-cast and annealed condition.
蠕铁的韧性——脆性转变温度铸态和退火态均随磷含量的增加而升高。
The calculation of plan location of pre-cast hollow slab beams on transition curve of small radius;
根据线路中线的特点，介绍了线路平面缓和曲线和线路中线在曲线地段侧移的计算和处理方法。
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