general-purpose middle breaker bottom

例句：

1. 1.The general-purpose middle breaker bottom is designed to withstand the impact of heavy machinery.
   通用中间断路器底部设计用于承受重型机械的冲击。
2. 2. The engineers used a special material for the general-purpose middle breaker bottom to ensure its durability.
   工程师们使用了一种特殊材料来制作通用中间断路器底部，以确保其耐用性。
3. 3.The general-purpose middle breaker bottom was installed in the machine to protect it from damage.
   通用中间断路器底部被安装在机器中，以保护它免受损坏。