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标题:
ASTM C78-2002
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作者:
kevin_2017
时间:
2017-7-31 20:42:08
标题:
ASTM C78-2002
Standard Test Method for Flexural Strength of Concrete (Using Simple Beam with Third-Point Loading)
作者:
admin
时间:
2017-8-1 15:24:18
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