英语语法分析

A light soil consisting of siliceous diatom remains and often used as a filtering material.

由硅藻土残留物的通常用来作为过滤材料的轻质土。

The thin-beded siliceous -rocks include chert and depositional quartz with textures of oolite and pebble.

矽质岩包括燧石和沈积石英岩，呈薄层状产出，沈积石英岩具鲕状、砾状结构。

The result indicated that siliceous lime's adding improved the concrete performance of many aspects markedly.

结果表明，由于硅灰的加入，使混凝土各方面性能明显得到改善。