The heaters have water-filled steel tubes that zigzag in front of a reflective surface, which concentrates the sun's rays on the tubes.
这种加热器装有充满水的钢管，在反射面前头曲折布置，反射面将太阳光聚焦在钢管上。
Supporting ring section is zigzag and is installed on the underside of the table. Top heating surface of induction cooker is on the same plane with table surface.
托环截面为之字型结构，该托环设置在桌子下表面，电磁炉发热的顶面与桌面平齐。
Supporting ring section is zigzag and is installed on the underside of the table. Top heating surface of induction cooker is on the same plane with table surface.
托环截面为之字型结构，该托环设置在桌子下表面，电磁炉发热的顶面与桌面平齐。
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