cross shaft

例句：

1. 1. The engineer designed the cross shaft to support the heavy load.
   工程师设计了交叉轴来支撑沉重的负荷。
2. 2. The construction of the bridge required the installation of a cross shaft.
   建造桥梁需要安装交叉轴。
3. 3.The machine's operation depends on the correct alignment of its cross shaft.
   机器的运行依赖于其交叉轴的正确对齐。