cantilever arm

例句：

1. 1. The engineer designed the cantilever arm to support the heavy load.
   工程师设计了悬臂式手臂来支撑重负载。
2. 2. The robot's cantilever arm was able to pick up and move an object with precision.
   机器人的悬臂式手臂能够以精确度拾起并移动物体。
3. 3.The cantilever arm is crucial for the stability of the structure during construction.
   悬臂式手臂在施工结构的稳定性中起着关键作用。