兑水 发表于 2009-10-22 16:30:29

ASTM D 6172-1998 由直接操作人员用摄影测量程序汇编，用外廓...

D6172-98(2004) Standard Test Method for Determining the Volume of Bulk Materials Using Contours or Cross Sections Created by Direct Operator Compilation Using Photogrammetric Procedures
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