core rack

例句：

1. 1. The engineer designeda core rack to support the heavy equipment.
   工程师设计了一个核心架来支撑重型设备。
2. 2. The construction company used a core rackto reinforce the foundation of the building.
   建筑公司使用一个核心架来加固建筑物的基础。
3. 3. The core rack was essential for supportingthe weight of the new machine.
   核心架对于支撑新机器的重量至关重要。