standard heavy duty engine lathe

例句：

1. 1. Thestandard of the company is very high.
   公司的标准非常高。
2. 2. This is a standard textbook forbeginners.
   这是一本适合初学者的标准教科书。
3. 3.The standard of living in this area hasimproved significantly.
   该地区的生活水平有了显著提高。
4. 1.The heavy duty engine is designed to handleheavy loads.
   这款重型发动机设计用来处理重负载。
5. 2. Heavy duty tools areessential for construction work.
   对于建筑工作来说，重型工具是必不可少的。
6. 3. The heavy duty generatorprovides power for the entire building.
   这款重型发电机为整个建筑提供电力。
7. 1. The engineer used thelathe to make the gears.
   工程师使用车床制作齿轮。
8. 2. Themachine tool is highly accurateand efficient.
   这种机床非常精确且高效。
9. 3. The lathe was usedto shape metal parts.
   车床被用来成型金属部件。