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Chinese
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Eng
翼剖面;机翼;翼面一个部件或平面,如机翼、螺旋桨叶、方向舵等,其形状或方位控制稳定性、方向、抬升、冲击或驱动
A part or surface, such as a wing, propeller blade, or rudder, whose shape and orientation control stability, direction, lift, thrust, or propulsion.
本图所示为木材的纵剖面.
This illustration shows a section through the timber.