您要查找的是不是：
- hydraulic track jack 液压起道机
- Power jack, headphone jack, left and right sound track jack 电源插孔、耳机插孔、左右声道输出孔
- Design of Intelligent Hydraulic Track Tamping Machine 智能液压起拨道机的设计
- 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 building is made of hydraulic cement. 大楼是用水硬水泥建造的。
- The cyclist went at full sail along the track. 自行车手沿着跑道全速前进。
- The hydraulic lift is over there. 液压升降机在那儿。
- 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。
- Jack sat on the fence for a week last spring before he finally joined the track team. 杰克去年春天经过了一周的考虑，最后决定加入田径队。
- 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。
- People came in flocks to see the new hydraulic power station beside the dam. 人们成群结队地来参观水坝旁边新建的水电站。
- 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 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。
- The micromotion drive unit is a highly refined screw-driven hydraulic jack. 微形传动装置是一个极精制的螺杆用液压作动筒。
