fly wing to wing 比翼
Anti-Whirl 抗回旋
backward whirl 反向涡动; 反进动
Carmen whirl 卡门涡流
circular whirl 圆涡
circumpolar whirl 绕极旋风
depress whirl 控旋
dust whirl 尘旋; 尘旋〔风〕; 尘卷风
dust-whirl 尘旋
eddying whirl 涡流
film whirl 油膜涡动
Fire Whirl 火旋风; 旋转火焰; 火焰; 火旋; 火旋涡
Flat-bell Cover Whirl Combustion Chamber 扁钟罩型涡流燃烧室
forward whirl 正进动
gas whirl 气膜振荡
hair whirl 毛涡
half-speed whirl rub 摩擦振动
Linear whirl transformer 线性旋转变压器
liquid-gas (particle) whirl fluid 液-气(固)旋流