| 1. | Some boards laid loosely on the railroad crossties .
铁路枕木上散放着几块木板。 |
| 2. | The rails of the two tracks are supported on wooden ties resting on a ballast .
两条线路的钢轨放置在有道碴承托的枕木上。 |
| 3. | I watched the ties and the rails for any tripwires or signs of explosive but i saw nothing .
我细心察看枕木和铁轨，看有没有什么暗线或是炸药的征像，但是看不见。 |
| 4. | The most important severe hazard risk is the ground contact condition which arises in transmission poles, fence posts and railway sleepers .
危害木材最严重的情况，是在木材与地基接触的条件下发生的，为通讯电杆，栅栏柱材和铁路枕木。 |
| 5. | Railway applications - track - wood sleepers and bearers
铁路.轨道.枕木和垫块 |
| 6. | Railway applications - track - wood sleepers and bearers
铁路设施.轨道.枕木和托架 |
| 7. | Crossties treated with creosote oil by pressure processes
用加压工艺的杂酚油处理枕木 |
| 8. | Many sleepers were fixed on a railway
一条铁路上有许多固定了的枕木。 |
| 9. | Wood bits ; machine auger bits for sleepers
木工钻.枕木用机用麻花钻 |
| 10. | Pit converted timber ; timber sleepers
矿山坑道用的已加工木料.枕木 |
