1.what means water cooled cable?

2.How to translate"stranded around a rubber or a stainless steel spring depending on the equipment they will supply"

3.How to translate"the copper conducters benefit from an optimal direct cooling,the smallest diameter for water circulation being the inlet of ther cable"

Thank you a million!

1. water cooled cable：水冷却电缆

2.stranded around a rubber or a stainless steel spring depending on the equipment they will supply：根据他们提供的设备生产的橡胶芯或不锈钢弹簧芯的多股线