低流泵浓浆泵浓桨泵underflow: n. = undercurrent. pump: n. 1.泵,抽(水)机,唧筒;抽机作用,抽动;抽运;泵 ...anomalous underflow: 异常暗流; 异常地下流arithmetic underflow: 算术下溢bathyrheal underflow: 地壳下部补偿物质流; 深层流动下载手机词典可随时随地查词查翻译