双语例句
- 钻头被用来在水泥或岩层获取岩芯样品. - A drill bit used for obtaining core samples in concrete or rock formations. 
重点词汇
- 
岩芯 core sample; rock core; drill core; core section 
- 
样品 sample; specimen; model; pattern; prototype; swatch; exponent; showpiece 
 中英释义:
                    中英释义:
core sample
钻头被用来在水泥或岩层获取岩芯样品.
A drill bit used for obtaining core samples in concrete or rock formations.
岩芯
core sample; rock core; drill core; core section
样品
sample; specimen; model; pattern; prototype; swatch; exponent; showpiece