crossheading

例句：

1. 1. The car was fittedwith a new crossheading to improveits performance.
   这辆车安装了一个新的十字头以提高其性能。
2. 2. The engineer used a specialtool to remove the old crossheadingand replace it with a new one.
   工程师使用特殊的工具来移除旧的十字头并更换它。
3. 3. The construction of thebridge involved the installation of several crossheadings to support the weight of the roadway.
   桥梁的建设涉及安装几个十字头以支撑道路的重量。