crucial links

• 关键环节

crucial links的用法和样例：

例句

1. The paroxysm prevention and treatments are key links within the animal farmings.
   疾病的预防和治疗是动物养殖中的关键环节。
2. Graduation practice design is a crucial procedure in practice teaching.
   毕业实习与设计是实践教学的关键环节。