问题：
[多选题]根据《建筑安装工程费用项目组成》(建标[2003]206号文)的规定，下列费用中，属于建筑安装工程直接工程费的有( )。
A、施工作业生产工人的福利费
B、材料的检验试验费
C、材料的采购及保管费用
D、大型机械设备的安拆费
参考答案：
ABC
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