Fe3+/Fe2+平衡比率
ferrous-ferric ion equilibrium rate
变比平衡系数
transformer ratio balance coefficient
沉降平衡
sedimentation equilibrium
sedimention equilibrium
沉降平衡法
sedimentation equilibrium method
动态平衡比
dynamic equilibrium ratio
平衡降阶法
balanced reduction method
balanced reduction
balancing reduction
平衡平滑阀
self-balanced flat slide valve