practical serviced life造句

例句与造句

1. The new type related coating scheme for the 10 , 000m3 gas cupboard to 100 , 000m3 gas cupboard has applied successfully in dozens sets of gas cupboards external wall and inner wall , and the practical service life has achieved the qualitative change from 3 years to 5 years and finally to more than 10 years
   1万m3煤气柜到10万m3高炉煤气柜上的新型配套方案应用已有几十座煤气柜内、外壁成功的涂装方案，实用年限也从3年到5年到10年以上有了质的飞跃。
2. It's difficult to find practical serviced life in a sentence. 用practical serviced life造句挺难的