您要查找的是不是：
- Discussions are made on the roller track and combustion system etc. of roller hearth type heating furnace.Some opinions are presented. 对辊底式加热炉的炉底辊道、燃烧系统等有关问题进行分析讨论,提出一些看法。
- This series of abators belong to roller track shot blasting machines .They are mainly used to release stresses and clean rusts for large sized l shaped and H shaped steel structures in building and bridge construction industries. 该系列通过式板、型材抛丸清理预处理线，是由预热、抛丸处理、喷漆、烘干等工序组成，该机广泛应用于造船、汽车、桥梁、机械、集装箱等行业的板材、型材及结构件的表面除绣、烘干等流水作业。
- Pitch optimizing design for eight roller track leveler 八辊轨梁不等辊距矫直机优化设计
- Use Transformer to Improve power of Steel Pipe Convey Roller Track 用变频器对钢管输送辊道电源进行改造
- Our pilotless rocket enters the track of the earth. 我们把一个无人驾驶的火箭送入了地球的轨道里。
- This rough track will soon be a metalled road. 这条坑坑洼洼的路不久就要铺上碎石了。
- I'm trying to track down my old Aunt Maud. 我正试图寻找到我那年迈的婶婶莫德。
- The cyclist went at full sail along the track. 自行车手沿着跑道全速前进。
- The ride on the roller coaster dizzied us. 乘坐云霄飞车使我们头晕。
- Bill has a feeling he is on a fast track. 比尔感觉到他正快速迈向成功。
- The new race track is nearly six miles in extent. 这条新跑道将近六英里长。
- May I borrow your roller skates? 我可以借你的旱冰鞋吗？
- John bears the bell in all track events at school. 约翰在学校里的各个径赛项目中都赢得第一名。
- Clattering along on roller skates. 踩着轮式溜冰鞋行进
- I'm on the track of a valuable painting. 我在追寻一幅珍贵的油画。
- Keep track of the time you actually travel. 把你旅行的实际时间记录下来。
- Signals control each section of the railway track. 各种信号控制着铁路轨道的每个部分。
- A road roller is used in making and repairing roads. 压路机是用来修筑道路的。
- A locomotive pounded down the railway track. 一辆机车沿着铁道隆隆地驶去。
- I like to watch field and track events. 我喜欢观看田径比赛。
