采用铅环件试样在D51 - 160 A热轧环机上进行轧制实验，轧制出了合格的内台阶锥形环件预轧制环件。
The rolling experiment with lead as blank material is made in D51-160A hot ring rolling mill and the qualified pre-rolled ring of conical ring with inner steps is rolled.
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.
连接条和接线柱的焊接必须使极柱顶部和盖子的铅衬套与连接条环口或接线柱完全熔焊牢固。
Cell connectors and terminal post burning must be done in such a manner that there is complete fusion of the post strap top and the cover lead bushing with the connector ring or terminal post.
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