How many cables are laid?

Update:28-02-2019
Summary:

A: There are the following: (1) buried directly in the […]

A: There are the following:

(1) buried directly in the ground;

(2) installed in the cable trench;

(3) installed in an underground tunnel;

(4) Installed on the inner wall of the building or on the ceiling;

(5) installed on the bridge;

(6) laid in the discharge pipe;

(7) Laying on the bottom of the water.

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