Earthworms comminute the mineral fraction of soils.

蚯蚓粉碎土壤中的无机物碎片。

And time of union was 6-10 weeks for open and comminute fracture.

其中粉碎性骨折及开放性骨折愈合时间6 ~ 10周。

Combining the working principle of plough and harrow in agriculture that can realize to mix and comminute all kinds of material.

将农业用的犁耙工作原理结合到一起，可同时实现对多种物料的搅拌和粉碎。草耙，灰耙，钉齿耙。

Combining the working principle of plough and harrow in agriculture that can realize to mix and comminute all kinds of material.

将农业用的犁耙工作原理结合到一起，可同时实现对多种物料的搅拌和粉碎。