松套管（和填充绳）围绕中心加强芯绞合成紧凑和圆形的缆芯，缆芯内的缝隙充以阻水填充物。

The cable core is filled with the filling compound to protect it from water ingress, over which a thin PE inner sheath is applied.

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缆芯：由松套管(和填充绳)围绕中心加强芯绞合成紧凑和圆形的缆芯，缆芯内缝隙充以阻水填充物。

Cable core: Tubes (and fillers) are stranded around the strength member into a compact and circular cable core which is filled with the filling compound to protect it from water ingress.

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