青云翻译

Laying of cable protection tube, crossing the laying of galvanized steel pipes, pipe threading

Laying cable protection tubes, passing the laying of galvanized steel pipe, pipe thread

Lays down the cable protection pipe, passes by on the road lays down the galvanization steel pipe, in the tube threads

Laying a cable laying, crossing protection tube galvanized steel pipe, pipe thread

Laying cable protection tubes, passing the laying of galvanized steel pipe, pipe thread