down-regulating；down-regulation
【机械工程】调节流量【机械工程】流量调节
regulation of rate of flow
暂无补充释义。
相关词条
CFR（CODE OF FEDERAL REGULATION）
regulation
regulate endocrine function; regulation of endocrine function
individual (personal) income regulation tax
blood sugar regulation
adjustment of eccentricity (regulation of eccentricity)
lung governs regulation of the waterways