tailplane actuator平尾致动装置
planar tailplane平面水平尾翼
dihedral tailplane带上反角的水平安定面
low tailplane低平尾
fixed tailplane不可操纵的水平安定面
symmetrical tailplane对称型水平尾翼
slotted tailplane开缝式水平安定面
tailplane pivot全动平尾枢轴
N（名词） a small horizontal wing at the tail of an aircraft to provide longitudinal stability (飞机的)横尾翼 (Also called (esp US) horizontal stabilizer)