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1版权信息 书名：数学极客:花椰菜、井盖和糖果消消乐中的数学 作者：(美)拉斐尔.罗森(RaphaelRosen);钮跃增 出版社：中国人民大学出版社 出版日期：2018-1 ISBN：978-7-300-25214-8 价格：38.00元 Table of Contents 1. 版权...
1I C S 1 3 . 0 6 0 . 3 0 P 41 中华 人 民 共 和 国 城 镇 建 设 行 业 标 准 C J / T 5 1 1 一2 0 1 7 代替 C J / T3 0 1 2 一1 9 9 3 铸 铁 检 查 井 盖 Ca s t i r o n ma n h o l e C o...
1GJ +# Ee +fu tr rfirErgig t1!Lf6iE cl/T 327-2010 ffiEffit,*,E.frflfEHIOE#H Spheroidal graphite cast iron composite resin manhole cover 2010-03- 15 fr.fr 2010-08-01 *t6 -&6'qr'&z ++...
1EJ +# E+fn tr#IffirEig tlrL+,rits ct/T 211-2005 HAWEE e+rIf+tSE#H Inspection manhole lid made of polymer matrix composites 200s-0s-ta fr.fr + s/.R+tfEtr€igfrtr fr. fr 2005-10-01 *...
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