您要查找的是不是：
- precision grain drill 精密播种机
- Operation quality of grain drill 谷物播种机械作业质量
- mounted 11-row combined grain drill 悬挂十一行联合谷物播种机
- mounted 12-row combined grain drill 悬挂十二行联合谷物播种机
- mounted 17-row combined grain drill 悬挂十七行联合谷物播种机
- The grain crop has gone down this year. 今年的粮食作物产量下降了。
- At six we were fallen in for drill. 六点钟我们站好队准备操练。
- The company is an international trader in grain. 这家公司是国际粮食贸易公司。
- The diagram had been copied with great precision. 该图表的复印件很精确。
- Aim for more precision in your style. 写东西时要力求准确。
- The sound of that drill jangles horribly on the nerves. 那台钻机的声音响极了，十分刺耳。
- Their speculative buying of grain is illegal. 他们投机购买谷物是不合法的。
- You'd better set a goal before you start the drill. 练习开始前，你最好设定一个目标。
- Bad luck goes against the grain. 厄运总是令人讨厌的。
- After a long drill he told the squad to fall out. 操练了好半天之后，他让这个班解散了。
- Stores of grain are frequently attacked by pests. 储存的谷物经常受到害虫的破坏。
- This drill can bore through rock. 这台钻机能钻透岩石。
- Scientific exactness and precision. 精确，简练科学上的精确和简明
- Our grain output will be3.7 times that of1960. 我们的粮食产量将是1960年的3。7倍。
- The dentist's drill made a lot of noise. 牙钻发出很大的噪音。
