Many engineering experience demonstrate that in order to elevate subbase working properties , lower project investment , prolong pavement using life - span and raise synthetical benefic.
大量的工程实践表明，为了提高基层工作性能，延长路面使用寿命，必须在配合比设计时将抗裂性考虑在内。
Yishou capsule could prolong the mean life span of drosophila melanogaster, the longest lifetime and the mediandeath time.
益寿胶囊可明显延长果蝇的平均寿命、最高寿命和半数死亡时间。
In order to reduce the expansion stress resulting from cement's expansion and prolong the life-span of porcelain insulator, a thin asphalt buffer layer is coated between the porcelain and the cement.
为了降低水泥膨胀所引起的膨胀应力，延长瓷绝缘子的使用寿命，在胶装时一般在瓷体和水泥之间涂一层沥青缓冲层。
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