needle-beam underpinning

例句：

1. 1.The needle-beam underpinning the structure is crucial for its stability.
   结构中的针状光束支撑对稳定性至关重要。
2. 2.The engineer used a needle-beam underpinning to reinforce the beams in the bridge.
   工程师使用针状光束支撑加固了桥梁的梁。
3. 3. The underpinning of the building was designed to withstand earthquakes, using a needle-beam system.
   建筑的支撑设计用于抵抗地震，采用了针状光束系统。