The polypropylene (PP) plate-and-frame strengthened by siliceouslimestone has high mechanical strength and good resistant properties to chemical corrosion.
硅灰石增强聚丙烯塑料板框具有机械强度高和耐化学腐蚀的性能。
2
According to the nature, Guangxi limestone is separated into three types: pure limestone, siliceouslimestone, mixed sand shale or limestone of igneous rock.
广西的石灰岩按性质可分为纯质石灰岩、夹硅质石灰岩、夹砂页岩或火成岩的石灰岩三种类型。
3
The uranium deposit of Silurian age in a certain area is controlled mainly by fracture and morphologically changing parts of uranium bearing siliceouslimestone and chert beds.