casting blind holes 盲孔铸造
The positioning holes which are arranged on the platform can be through holes or blind holes.
在定位平台上设置的定位孔可以是通孔或盲孔。
He has prepared a special core sand and solved the problem of cleaning blind holes successfully.
配制了专用芯砂，成功地解决了异型盲孔的清砂问题。
The invention provides a new method of riveting the blind holes connected among metal materials.
本发明提供一种金属材料之间连接的盲孔铆接新方法。
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