self-propelled combine harvester

例句：

1. 1. This self-propelled combine harvester can efficiently cut and transport crops.
   这台自走式联合收割机能够高效地切割和运输作物。
2. 2. The farmer used this self-propelled combine harvester to save time during the harvest season.
   农民使用这台自走式联合收割机在收获季节节省了时间。
3. 3.The self-propelled combine harvester has become an essential tool for farmers in modern agriculture.
   自走式联合收割机已成为现代农业中农民不可或缺的工具。