test drill core meaning in English
试孔岩心
试样岩心
Examples
- Standard test method for obtaining and testing drilled cores of shotcrete
获取和检测喷浆混凝土钻芯的标准试验方法 - Standard test method for obtaining and testing drilled cores and sawed beams of concrete
获取和测试有孔混凝土和锯切成的混凝土梁的标准试验方法