Available ratio of soil carbon C素有效率; 土壤碳素有效率; 碳素有效率
decreasing ratio of water content 含水率降低率
determinator of ratio of specific heat of gas 气体比热容比测定仪
Invariability of Ratio of Areas 面积比不变性
lower ratio of water andglue 低水胶比
mass ratio of water to cement 混凝土配合比
Quantity ratio of Si and Al 硅铝的量比
Ratio of water 吸水倍率
ratio of water and carbon 水碳比
Ratio of water and fertilizer 水肥比
ratio of water and plaster 水膏比
ratio of water binder 水胶比
Ratio of water content of rock fragment to fine so 碎石与细土含水量比值
Ratio of water content of rock fragment to fine soil 碎石与细土含水量比值
Ratio of water demand 需水比
ratio of water dosage 胶砂需水量比
ratio of water power utilization 水能利用提高率
ratio of water reducing 减水率
ratio of water to binder 水灰比