high-pressure-gas
high-priced
high-purity
high-rate
high-relief
high-resolution
high-side
high-speed
high-strength
high-sulfur
  high-temperature
high-torque
high-vacuum
high-velocity
high-viscosity
high-wax
high-yield
hike
hillside
hinge
hinge-lock

    high-temperature wellhead

    устьевая арматура для теплового воздействия на пласт