词组、短语、俚语及习惯用语• circulation area
流通面积。• circulation around circuit
封闭环流。• circulation around closed circuit
沿封闭曲线的环流。• circulation boiler
循环锅炉。• circulation cascade
级联循环,阶式循环。• circulation chamber
循环室。• circulation coefficient
循环系数。• circulation cost
流动费用。• circulation feed water heater
(锅炉)用水循环加热器。• circulation flux
[气]环流通量。
systemic circulation
systemic-circulation的词性：
n.Physiology （名词）【生理学】
1. The general circulation of the blood through the body, as opposed to the circulation of the blood from the heart to the lungs and back to the heart.
系统循环：通过全身的血液大循环，与从心脏到脏到肺再回到心脏的血液循环相对而言
