安全使用年限 meaning in English
safe service life
safety service life
Examples
- The accumulation pattern of copper in soil , and the allowed years of the safety use of some new cupric pesticides in the future application were predicted with the experimental results of their residues in fruits and vegetables , and the practical experiences of bordeaux mixture applied in orchard over a long period of time
对几种新的铜制剂农药在果树和蔬菜上的残留进行了试验，并对其在今后使用中铜在土壤中的积累规律及允许安全使用年限作了预测。