circling cut中文什么意思

划圆劈

例句与用法

He looked to the south and knew that somewhere beyond those bleak hills lay the great bear lake ； also ， he knew that in that direction the arctic circle cut its forbidding way across the canadian barrens
他向南望去，知道大熊湖就在荒凉的群山后的某个地方，他还知道，在那个方向，北极圈的禁区线穿过加拿大的不毛之地。
Via the analysis of heat balance computation model and the computation of online heat balance for industrial coal boiler , this dissertation researched overall input heat , efficient utilized quantity of heat , heat losing of discharge flue gas , heat losing of chemistry and mechanism incomplete combustion , heat losing of dispelling heat of boiler , heat efficiency , air superfluous coefficient , wind speed , wind quantity , computation of primary air circle cutting and whose influence on boiler combustion efficiency
本文通过对工业煤粉锅炉热平衡计算模型的分析，利用在线热平衡计算，研究了总输入热、有效利用热量、排烟热损失、化学不完全燃烧热损失、机械不完全燃烧热损失、锅炉散热热损失、热效率、空气过剩系数、风速、风量及一次风切圆计算以及这些因素对锅炉燃烧效率的影响。