mast truck

例句：

1. 1. The mast truck was used to transport heavy equipment up and down the mountain.
   桅杆式卡车被用来运输重型设备上山和下山。
2. 2.The mast truck was a critical part of the construction process.
   桅杆式卡车是建筑过程的一个关键部分。
3. 3. The mast truck was equipped with advanced technology that made it easier to operate.
   桅杆式卡车配备了先进的技术，使操作更加便捷。