Описание трассы Два рельса трека обеспечивают наиболее экономичный путь для плавного прохода тяжелых транспортных средств на большой скорости. Спальные места или стяжки держат два рельса на точном расстоянии или манометре по всему и переносят нагрузки с рельсов на . обеспечивает упругую кровать, держит шпалы в правильном положении и на правильном уровне, распределяет нагрузку от шпал на большую площадь на кровати или образования трека и стоков дождевой воды. Рельсы крепятся к шпалам с различными типами фитингов, которые зависят от типа используемого рельса, и от различных других соображений. 23 рельсы, которые изготавливаются в стандартных размерах, соединяются между собой при накладок или накладки, через которые рыба болты или болты следа резьбой. Комбинация рельсов, шпал, фитингов, и др. известен как трек или постоянной основе. Железнодорожный путь должен нести очень тяжелые грузы и позволять таким грузам перемещаться в безопасности на высокой скорости.
Do you know him? He always tells lies. What is he doing here? - He's waiting for his friend. When I came yesterday, I saw that my brother was doing his lesson. Where is Nick? - He is playing tennis. - He plays tennis well. My wife is in her room now. She is sitting in the armchair and is reading an interesting book. I want to read this book, too. Where was she yesterday? - She visited her friend. They were playing chess the whole evening. What were they doing the whole day last Sunday? - They were spending the whole day in the country. When I looked out of the window, I saw that it was snowing and everything was covered with snow. Is somebody talking in the next room? - No, nobody's talking. My son is watching television now. Why didn't he go to school yesterday? - He was ill. He was staying in bed the whole day. Were you working, when I phoned you last night? - Yest, I was working. Why are they sitting here now? - They are waiting for their doctor. The doctor is late. Did he ask you to work late last Tuesday? - No, He didn't ask. I decided to work late myself. Yesterday was a typical summer day, the sun beat down, the sky was cloudless. Yesterday, when he opened the door, he understood that he did it with a wrong key. Every day she returns home, has dinner and rests. But yesterday she didn't rest after dinner, she was working at her report the whole evening
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