英语语法分析

There are phyteral cell remaining pore , matrix pore and new -forming pore in coal. The pores of remaining phyteral cell mainly are complicated dentritic structure, and the effective porosity is high.

煤中发育植物细胞残留孔隙、基质孔隙和次生孔隙，植物细胞残留孔隙主要为复杂孔隙树结构，有效孔隙率高。