For connection of two sections cable in direct burial, working well or tunnel, the cable metal bushing can be connected directly, and also can be connected across.
用于直埋、工井或隧道内敷设的两段电缆连接，电缆金属护套可直接连接，也可交叉连接。
2
The old materials of the bushing have some defaults including bad wear-resistance property, serious wear to the steel cable and high price.
以往的衬套材质存在耐磨性差、对钢丝绳磨损严重以及成本过高等缺点。
3
Separable accessories for power cable for bushing with outside cone;