“改良”造句

蒙特利尔将要开展市政设施的翻新改良工程。
The retrofit program will be carried out at the Montreal facilities.

这些设备经过大幅度的改良，都让人认不出来了。
The facilities have improved beyond all recognition.

这样高的产量主要是通过改良耕作方法取得的.
These high yields have been achieved largely through better methods of cultivation.

• #改良