utilization period造句

the accumulating amounts of nutrient element in trifolium pratense population in different utilization periods
不同利用期红三叶种群营养元素积累量的研究
high-quality filter medium, acid alkali resistant, high-temperature resistant, excellent mechanical strength, long utilization period . 4
3.优质滤材，耐酸碱，耐高温，机械强度好，使用寿命长。
It's difficult to find utilization period in a sentence. 用utilization period造句挺难的