环形: annular; ringlike; ring form ...进气道: air inlet; admission passage ...叉形进气道: bifucated air intake方形进气道: square air intake矩形进气道: rectangular intake楔形进气道: wedge inlet圆形进气道: circular air intake环形进气口: annular air intake; annular air scoop半圆形进气道: half-moon inlet收敛形进气道: contracted air duct收敛扩散形进气道: convergent-divergent inlet进气道: air inlet; admission passage; passage进气口,进气道: airscoop菌形进气门: mushroom suction valve楔形进气边: wedged leading edge楔形进气口: air inlet wedge形进气口: d-shaped scoop锥形进气管: tapered snorkel戽形进气口: air-scoop intake环形进模口: ring gate戽斗形进气口: scoop inlet; scoop-type air intakenaca型进气道: naca type inlet; naca-type inlet备用进气道: alternative air inlet侧面进气道: cheek-type airintake; off-axis inlet顶部进气道: top inlet; top-mounted inlet