The de- sign method of crosstie in the medium electric machinery packaging case was improved.
运用结构力学分析方法对中型电机包装箱底座模型进行受力分析、弯矩分析、剪力分析,校核了枕木的强度,改进了中型电机包装箱底座中枕木的设计方法,建立了木箱底座上枕木和滑木螺栓连接时以及枕木和滑木钢钉连接时的力学模型,简述了模型的应用。
They spiked the rails to the ties.
他们把铁轨钉到枕木上。
Pre-stressed concrete sleepers that have been designed to replace the conventional wooden ones have been tested.
预应力混凝土枕木用来替代传统的木质枕木并已通过了试验。
Some boards laid loosely on the railroad crossties.
铁路枕木上散放着几块木板。
the British call a railroad tie a sleeper.
铁路枕木为什么是黑色的。
A transverse beam or rod serving as a support, especially a beam that connects and supports the rails of a railroad.
横木，枕木一种起支撑作用的横向木杆，尤指连接和支承铁路轨道的枕木
"crosstie:a transverse beam or rod serving as a support, especially a beam that connects and supports the rails of a railroad."
"横木,枕木:一种起支撑作用的横向木杆,尤指连接和支承铁路轨道的枕木."
Some roads are paved with wooden blocks, some with slabs of stone.
有些小路用枕木铺平，有些用铺路石铺平。
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。
Trains are in danger of running off the rails if white ants have invaded the supporting beams.
铁路枕木如果受白蚁侵蚀，火车就有出轨的危险。
Door-sills,drawers,construction base,nailway sleepers and bridges.
门斗用料、车辆材、建筑用料、枕木桥梁用材。
One of the beams, usually made of wood, that are laid across a railroad bed to secure the rails.
枕木横放在铁路基上以固定铁轨的梁中的一根，通常为木制
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。
A metal or wooden plate bolted to the sides of two abutting rails or beams, used especially in the laying of railroad track.
接合板，鱼尾板尤指用在铁路枕木上的钉在两个毗连的栏杆或梁木上的金属板或木板
We make you the best offer we can of our fir sleepers for delivery during the first two month of19-.
现向你提供最优惠价格的枞材枕木，交货期为19－1至2月份。
We are make you the best offer we can of our fir sleepers for delivery during the first two month of 19 -
现向你提供最优惠价格的枞材枕木，交货期为19-年1至2月份。
We is make you the best offer we can of our fir sleepers for delivery during the first two month of 19 .
现向你提供最优惠价格的枞材枕木，交货期为19 年1至2月份。
Broken stones used for road surfaces or railroad beds.
筑路碎石用于铺路面或用于填塞铁轨枕木间空隙的碎石
