1、梁臂
...指向天线,束射天线 beam antenna梁臂 beam arm弯梁机 beam bender ...
2、短梁
... beam arm 舱口旁)短梁梁臂 beam arm 短梁 beam arm 梁臂 ...
3、作动筒梁支臂
为防止因主起落架作动筒梁支臂( Beam Arm)的腐蚀和裂纹而引起 副翼和扰流板操纵钢索的损伤，进而造成飞机操纵性能降低，要求完
single-beam swing arm pick-up单束摆臂式激光头
guiding beam arm关节导光臂
beam-type launcher arm梁式发射导向架
even-arm beam等臂梁
changeable arm beam pumping unit变臂型抽油机
short-arm asymmetrical beam短臂不对称梁
equal-arm asymmetrical beam等臂非对称梁;等臂天平