1·Steel and ductile iron construction.
钢和球墨铸铁建设。
2·Ductile iron body able to withstand rough handling.
球墨铸铁阀体能够经受恶劣的操作环境。
3·Ductile iron shows exceptional resistance to shock loading.
球墨铸铁具有特别的抗冲撞装卸的性能。
4·NL-1 is a naw type of corrosion resistant low alloyed ductile iron.
研制了一种新型低合金耐盐卤腐蚀的球铁材料（代号NL-1）。
5·Thus Ductile iron valves can easily replace cast iron or steel valves.
因此球墨铸铁阀门能够方便的替换铸铁或钢阀门。
6·So it is necessary to determine the laser absorptivity of ductile iron.
因此，确定球墨铸铁材料对激光的吸收率十分必要。
7·The resistance to thermal fatigue on ductile iron is studied in detail.
对不同基体球铁的抗热疲劳性作了实验研究。
8·In theory, ductile iron manhole cover when installed, should be a whole.
在理论上说，球墨铸铁井盖在安装的时候，应该是一个整体。
9·The isothermal quenching process of the ductile iron camshaft was analyzed.
对球铁凸轮轴的等温淬火工艺进行了分析。
10·Cored wire injection is a new technology for the production of ductile iron.
包芯线喂线处理生产球墨铸铁是一种新的球铁生产工艺。