高炉炉型的发展趋势是什么？
参考答案：
①、高炉的高径比缩小，②、炉身角和炉腹角缩小而且趋于接近。③、炉缸扩大。
小儿指纹若色紫，其证属
A．血瘀
B．阴虚
C．热证
D．肝风内动
E．寒证
Reviewing work products and results to ensure that all were completed satisfactorily and formally accepted is part of ______ .
A) risk managementB) quality controlC) change control managementD) verify scope
