灰槽是气力输灰系统中比较常用的一种容器。
它的正面涂上黑漆，下面还有一条积灰槽。
It is painted black on the surface with black paint. Underneath there is a groove for dust.
它的正面涂上黑漆，下面还有一条积灰槽。
It is painted black on the surface with black pednt. Underneath there is a groove for dust.
通过设计不同排水条件的实验槽，研究了不同的排水条件及时间效应对吹填软土结构强度形成的影响，并对实测结果进行了灰预测。
Through designing different drainage tank the paper studied different drainage conditions and time effects on structural strength formation of soft dredger fill, and carried out grey prediction.
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