covering g material被覆物
roof covering material屋顶覆盖层材料
wall covering material墙面覆盖材料
anti corrosion covering material防腐涂料
anatomy-covering material尸体覆盖材料
agricultural covering material农用覆盖材料
land covering material下垫面材料
wound surface covering material创面覆盖材料
PH:9.47 for plant ash,9.32 for covering material
1,and 9.30 for covering material
2. The range of water: 15.1%-60.3%,18.21%-55.6%for covering material
1,and 18.32%-54.0% for covering material
2。
pH值:草木灰9.47,1号覆盖物9.32,2号覆盖物9.30;水分的范围:草木灰15.1%-60.3%,1号覆盖物18.21%-55.6%,2号覆盖物18.32%-54.0%。
参考来源 - 广西农村生态卫生厕所的研究