短語詞組短語reduction of interest rate 降息reduction of rejection rate 降低化廢率reduction of broken rate 減碎reduction of fertility rate 減少出生率reduction rate of density 密度下降率reduction rate of porosity 孔隙率降低率the reduction rate of 複位率reduction rate of composite 複郃壓縮率reduction rate of finishing rolling 終軋變形量 返回 reduction of rate