During working, a metal ware is directly placed between the conducting electrodes to form a conducting loop to realize the heating of the metal ware.
工作时，将金属器皿直接放置在导电极之间，构成导通回路，即可实现对金属器皿加热。
During working, a metal ware is directly placed between the conducting electrodes to form a conducting loop to realize the heating of the metal ware.
工作时，将金属器皿直接放置在导电极之间，构成导通回路，即可实现对金属器皿加热。
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