相反横点
Opposite cross point
以上为机器翻译结果，长、整句建议使用 人工翻译 。
相反横点，锡环哪些是焊管交替16管组成，每个组成铜，铅和铁，铅。
Opposite the horizontal point, a ring of tin to which are welded tubes alternatively 16 tubes composed each composed of copper-lead and iron-lead.
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