1.
The student like to have difficult questions to bite on.
这个学生老喜欢找难题钻研钻研。
2.
She read over and over again her book of recipes, she learned them as if they were science.
她一再研读食谱，就象钻研科学一样地钻研烹调。
3.
He has honestly studied history.
他实实在在地钻研历史。
4.
We addressed ourselves vigorously to this problem.
我们奋力钻研这一问题。
5.
Henry likes to have some tough problems to bite on.
亨利喜欢钻研一些难题。
6.
dive into a new project
潜心钻研一个新项目.
7.
She is digging at ancient Chinese prose
她在钻研古汉语散文。
8.
He is going in for marine biology
他在钻研海洋生物学。
9.
You should get up the history
你应该钻研一下历史。
10.
He is at grips with civil architecture.
他在钻研民用建筑学。
11.
The man up on robotics.
这个人钻研机器人技术。
12.
He still worked at his biology.
他仍然钻研他的生物学。
13.
Study on Drilling Tests of PCB Through-Hole Drilling
钻PCB通孔钻切削性能的钻削试验研究
14.
Study on Dynamic Characteristics and Failure Mechanism of Drill String in Air Drilling
气体钻井钻柱动力学特性及钻柱失效机理研究
15.
Improvement of Drill Point Geometry for Drilling High Manganese Steel ZGMn13;
钻削高锰钢ZGMn13钻头刃形改进研究
16.
Study on Carbide Drill Used to Drill ZGMn13 Turnout;
钻削ZGMn13高锰钢道岔硬质合金钻头研究
17.
Simulation Research on Drill Pipe of 2000 Meter Water Well Rig;
2000m水井钻机的钻杆仿真研究
18.
Technology Study on the Harmless Treatment of Drilling Cutting and Waste Drilling;
钻屑、废钻井液无害化处理技术研究