two-percent
two-phase
two-phases
two-photon
two-photon-pumped
two-piece
two-pin
two-pipe
two-plane
two-plus-two
  two-ply
two-point
two-pole
two-port
two-position
two-product
two-prong
two-pulse
two-ramp
two-rate
two-reactant

    two-ply steel

    двухслойная сталь