Yes, that is correct. You have answered your own question.
The function of hydraulic lines is to connect to the hydraulic system to carry either water, oil or any other form of liquid for that system. The hydraulic line is extremely important to the function of the system and works based on either a low or high pressure.
pons connect the brain and the central nervous system with a transverse band of nerves. they are helpful in controlling the respiration and moving the head as per audiovisual movements.
PBX systems uses PSTN lines to connect another PBX system over a long distance.
The underground railroad couldn't have a length, as it was not a physical structure, but a system of people and "stations" that was used in the mid 1800's to transport slaves to the north (as far as Canada after 1851) .
The english system is the metric system. There is no difference.
London Underground is a rapid transit system in London, England. Part of the system consists of underground tunnels.
The London underground system is usually referred to as 'the tube'.
It is the subway system under London.
it is neither in underground or overground. it is a separate system.
London, England
which city has underground railway system streatching 265kmand 170 station
The London Underground, commonly known as the Tube, is the oldest metro system in the world. It opened in 1863 and has since grown to become one of the most extensive systems globally.
The Tube.
London, England
London
London
If you are traveling on the tube, you are likely visiting London, where the tube is a common nickname for the London Underground, the city's underground subway system.