求翻译：电加热元件采用金属管状电热元件，根据设计要求带或不带散热翅片。外套管材料为0Cr18Ni9（304），填充材料为电熔结晶氧化镁粉，电阻丝材料为Cr20Ni80。是什么意思？

Metal tubular electric heating element heating element, according to the design requirements with or without cooling fins. Stent material 0Cr18Ni9 (304), fill material for the crystallization of fused magnesium oxide powder, the resistance wire material Cr20Ni80.

electric heating elements using metal tubular electric heating elements according to the design requirements, with or without heat sink fins. Jacket pipe materials to 0 Cr Ni 9 ( 304) 18, filling material for electric melt crystallization, magnesium oxide powder 20 Ni Cr resistance material for 80.

The electric heating part uses the metal tubular electric heating part, requests the belt according to the design or does not bring the radiation wing piece.The wrapper tube material is 0Cr18Ni9(304), the packing material for the electricity melt crystallization oxidation magnesium powder, the resis

Electric heating elements by metal tubular electric components, based on the design requirements with or without a cooling fin. Outside casing materials for 0Cr18Ni9 (304), fill materials for the electrical melting and crystallization of magnesium oxide, resistance wire materials for Cr20Ni80.

Electric heating elements by metal tubular electric components, based on the design requirements with or without a cooling fin. Outside casing materials for 0Cr18Ni9 (304), fill materials for the electrical melting and crystallization of magnesium oxide, resistance wire materials for Cr20Ni80.