preservation technique

• 保鲜技术

preservation technique的用法和样例：

例句

1. Study on Chitosan Preservation Films Coating Tricholoma matsutake Sing.
   壳聚糖涂膜处理松茸保鲜技术的研究。
2. Vacuumizing is often used in the rice packaging as a fresh technique.
   摘要真空包装是大米销售包装常用的一种保鲜技术。