prime piling box

例句：

1. 1. The construction site is in the prime of its life cycle.
   施工现场正处于其生命周期的鼎盛时期。
2. 2.The engineer used a prime piling box to reinforce the foundation.
   工程师使用了一个主要的堆砌箱来加固地基。
3. 3. The prime piling box was designed to withstand heavy loads.
   主要的堆砌箱被设计来承受重负载。