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- This vein has a large size, stable occurrence and better continuty.However, its gold grade is low. 该脉具有规模较大、产状较稳定、脉体连续性好等特点，但品位较低。
- Under situation decreasing in gold grades of ores ,the new floatation agents and its system were applied maintaining the technical indexes and getting better economical results. 四道沟分矿选矿厂通过应用新浮选药剂,改变原有药剂制度,在原矿品位逐年下降形势下,保持稳定了浮选技术指标,经济效果明显。
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- The gold was glinting in the sunlight. 金子在阳光下闪闪发光。
- Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
- He's not in the first grade as a musician. 他不是第一流的音乐家。
- She had the sapphire set in a gold ring. 她把那枚蓝宝石镶在金戒指上了。
- Business is now on the up grade. 目前生意蒸蒸日上。
- Pupils with 90% or more are awarded Grade A. 满90分的学生评为甲等。
- A reliable car is worth its weight in gold. 靠得住的汽车就是无价之宝。
- She has a gold chain about her neck. 她在脖子的周围挂着一根金项链。
- It possessed rich mineral deposits, including gold. 它拥有丰富的矿藏，包括黄金。
- Gold prices on Western markets jumped. 西方市场上的黄金价格暴涨。
- The sixth grade saw an educational film yesterday. 六年级学生昨天看了一部教育片。
- He received a failing grade on the term paper. 他的期末报告不及格。
- Red and yellow grade into orange. 红与黄混合成橘黄。
- That country came off the gold standard long ago. 那个国家好久之前就放弃金本位制了。
- The twins will enter the fourth grade this fall. 这对双胞胎今年秋季将升到四年级。
- Their marriage is on the down grade. 他们的婚姻关系每况愈下。
- The trial flight has made the grade. 试飞成功。
