The negative plate is made of iron or rustless steel.
负极片由铁片或不锈钢片制成。
This paper summarizes the research work done to grind and polish rustless steel pipe.
本文总结了砂带磨抛不锈钢管的研究工作。
The crust of capacitor made of aluminum, strong and rustless, the capability of heat dissipation is superior to other materials.
选用铝材作为电容器的外壳，坚固不生锈，散热性能优越于其它材料；
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