No damage to human factors, one year warranty (not including electric stove wire), life-long maintenance.
如无人为因素损坏，质保一年(不含电炉丝)，终身维护。
The fabrication, operating and maintaining of the hydrogen shielded electric heating stove with molybdenum wire are introduced.
介绍了氢气保护钼丝电加热炉的制作技术和日常操作使用及维护方法。
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