... 平底扩孔钻 counterbore drill 钻孔底扩大 hole springing 尖底扩孔钻床 countersinking drill press; countersinkingdrillpress ...
基于2个网页-相关网页
blast-hole springing 炮眼底扩大
hole-springing hole 扩底炮孔
hole springing by explosion 爆炸扩腔
deep-hole springing blasting 深孔药壶爆破
springing blast hole 扩大炮孔
In the paper, the charge weight is discussed using the energy method, and the charge weight of the first hole-springing explosion is determined for deep-hole springing blasting.
利用能量方法，对初次爆扩用药量的问题进行了探讨，确定了深孔药壶爆破初次爆扩的用药量。
The costs of the rescue mounted as the Banks' losses grew, springing a giant hole in the public finances.
挽救经济危机的成本随着银行损失的增加而与日俱增，迅速地在公共财政中形成了巨大窟窿。
The design and implementation of shallow hole smooth blasting and springing blasting in complicated circumstances are introduced on the basis of field test.
结合工程实践，介绍在复杂条件下，进行浅眼光面爆破与药壶控制爆破相接合的设计与施工经验。
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