bore plug
... 炮泥 bordering 钻孔岩样 bore plug 钻孔装药 borehole charge ...
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通过微观分析,在鄂尔多斯盆地白垩系钻孔岩样中发现方沸石类矿物。
Analcite mineral was found from rock specimen of cretaceous system in the Ordos Basin via using micro-analysis.
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