buffer beam

例句：

1. 1.The buffer beam is used to absorb the shock from the impact.
   缓冲光束用于吸收冲击的震动。
2. 2. The engineer designed a buffer beam to prevent the machine from overheating.
   工程师设计了一个缓冲光束以防止机器过热。
3. 3. The buffer beam was used to protect the delicate electronic components during assembly.
   缓冲光束被用来在装配过程中保护那些易损的电子元件。