|魍者归来发表于 09-02 20:23坑道钻机<br>
https://wenku.baidu.com/view/9dd2c53b6fdb6f1aff00bed5b9f3f90f77c64d5b<br>8 J4 p, K/ E% u! G, m2 n
https://wenku.baidu.com/view/6da306aa1711cc7930b7168d<br>! A \" |( C: B4 A k- N# w
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凿岩钻机<br>
https://wenku.baidu.com/view/c55c2b15a21614791711286c.html<br>2 {3 a9 a8 f* G
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勘探钻机(有结构图)<br>% k l5 O. V9 |1 {7 p
https://wenku.baidu.com/view/56adccd676a20029bd642d35.html<br>
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市政钻机<br>
https://wenku.baidu.com/view/74edc30c52ea551810a687f3.html
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