engineer machinery service

• 工程机械使用

engineer machinery service的用法和样例：

例句

1. Scientists have discovered that the fruit is a great source of sugar that can be readily distilled into alcohol to power cars and farm machinery.
   科学家已经发现西瓜是一种很好的提取糖的原料，而糖能比较容易的提取成能供汽车和农场机械使用的酒精。