guiding beam arm 关节导光臂
even-arm beam 等臂梁
beam-type launcher arm 梁式发射导向架
arm-hung beam 悬壁梁
single-beam swing arm pick-up 单束摆臂式激光头
Provides a directed, concentrated beam of light owing to its 50 cm long flexible arm.
有50厘米长的柔性灯臂，可以提供直接、集中的光束。
This type of equal arm balance with double beam and pan adopts flexible steel band as support without abrasion to the edges of the knife.
复梁式双盘等臂天平，采用钢带弹性作支撑，无刀口磨损现象发生。
The suspension assembly includes a load beam coupled to an end of a swing arm of an actuator;
悬挂组件包括承载梁，耦接到致动器的摇臂的末端；
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