core length of divided seam

例句：

1. 1. The engineer measured the core length of the machine to ensure it was running smoothly.
   工程师测量了机器的核心长度，以确保它运行顺畅。
2. 2. The construction company used a specialized tool to measure the core length of the beams before installation.
   建筑公司使用了一种专门的工具来测量梁的芯长，以便在安装前进行测量。
3. 3. The manufacturer's technicians carefully checked the core length of each component to ensure quality control standards were met.
   制造商的技术员们仔细检查了每个组件的核心长度，以确保满足质量控制标准。