短語詞組短語area replacement -ratio 置換率voidage replacement ratio 注採比Labor Replacement Ratio 人力替換率replacement ratio of pension 養(yǎng)老金替代率proven reserve replacement ratio 動用儲量替代率generalized reserve replacement ratio 廣義儲量替代率coke replacement ratio 煤焦炭更換比;焦炭置換比critical replacement ratio 臨界置換比optimal replacement ratio 最優(yōu)置換率 返回 replacement ratio