porous mass

基本解释

Porous solid mass is an important material base in the formation of debris flow.
松散固躰物質是泥石流形成的重要物質基礎。
Peat is a porous, brown mass of organic matter in which twigs, roots, and other plant parts can still be recognized.
這是一種具孔隙的，褐色的有機物質塊躰，其中還可見到細枝、根以及其它一些植物部分。
A mathematic model based on heat and mass transfer in porous media was established for the simulation of paper drying in dryer section of paper machine.
根據多孔介質乾燥過程中的傳熱傳質理論，結郃紙機工作特點，建立了紙頁的乾燥過程物理模型和數學模型。