laminar flow cooling control 基本例句 层流冷却控制 For the model of laminar cooling control of hot rolled strip,the accuracy of coiling temperature control is unsatisfactory because the heat transfer in the strip itself is ignored.在热轧带钢层流冷却控制数学模型中，由于忽略带钢内部的热传导而使卷取温度控制精度不良。