horizontal directional drilling horizontal directional drilling technology

horizontal well with long horizontal section

150kA pre-baked anode cell arranged in double rows and end by end

end to end anastomosis

End to end joint sleeves of rotor

end to end management

end to end sterilization

end-to-end

mean square end to end distance

2-D horizontal flow and sediment model

2D horizontal model

2-D horizontal numerical model

3-D horizontal well

a horizontal inscribed board

Abnormal horizontal seismic reflection

above-ground horizontal silage silos

accuracy of horizontal control

additional horizontal force

additive horizontal force

addressable horizontal position