tczhjg - 2008/6/4 21:27:00
:default5: 钢筋直径是18mm 和22mm ,还有圆钢8mm的(_ÿëxØ+
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sfg968001 - 2008/6/4 21:38:00
拉伸试验:5do十200mm(可根据试验机上下夹头间最小 距离和夹头长度确定) 冷弯试件:5do十150mm(_ÿëxØ+
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tczhjg - 2008/6/4 21:42:00
thank you !:default6:(_ÿëxØ+
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张正东 - 2008/7/30 10:37:00
10d+200mm(_ÿëxØ+
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