露兜叶纤维

Any of numerous palmlike dioecious trees and shrubs of the genus Pandanus of the Old World tropics, having large prop roots and a crown of narrow, spiny leaves that yield a fiber used in weaving mats and similar articles.

露兜树属产于东半球热带地区众多的象棕榈树的露兜树属雌雄异株树和灌木，有大型的支柱根和集生于枝顶的窄而且带刺的叶子，叶纤维可用作织席子和类似的工艺

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。