S. and her colleagues place a body in a steel container filled with alfalfa, wood chips, and straw, and let it sit for around 30 days. At the end of the period, the body decomposes into two wheel barrows of soil that can be used to plants, flowers, or trees.
唐冕15
S. and her colleagues place a body in a steel container filled with alfalfa, wood chips, and straw, and let it sit for around 30 days. At the end of the period, the body decomposes into two wheel barrows of soil that can be used to plants, flowers, or trees.
1709157mxdo
这个讲师真的不简单!
1839373zyjn
我会把老师的这个课程分享在朋友圈,让更多的人受益
1655356rnys
认真学习,慢慢摸索
1349867kgty
太好了,老师更新啦,给力!