Advocates of recycled toilet paper point out that converting virgin pulp to toilet paper requires more water than recycled paper and makes use of the tons of already used paper that fills landfills.
再生厕纸的支持者指出用原生纸浆造纸的耗水量比用再生纸多，而且再生纸能利用垃圾场中填埋的成吨废纸。
Objective To study the absorbent properties of standard paper point in simulant root canal in vitro.
目的研究模拟根管中标准纸尖的吸液性能。
In this paper, point cloud getting theory, point cloud index method and point cloud filter method are concerned.
本文在点云获取理论、点云索引方法、点云滤波等方面进行了较为深入的研究。
In this paper, point cloud getting theory, point cloud index method and point cloud filter method are concerned.
本文在点云获取理论、点云索引方法、点云滤波等方面进行了较为深入的研究。
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