top rail meaning in English
上横梁
上冒头
上帽头 ，上栏
Examples
- So he set his ear to the crack and listened , and listened , and listened , and the steps a - scraping around out there all the time ; and at last he nudged us , and we slid out , and stooped down , not breathing , and not making the least noise , and slipped stealthy towards the fence in injun file , and got to it all right , and me and jim over it ; but tom s britches catched fast on a splinter on the top rail , and then he hear the steps coming , so he had to pull loose , which snapped the splinter and made a noise ; and as he dropped in our tracks and started somebody sings out
随后他把耳朵贴在门缝上，听啊，听啊，听啊，可是四下里一直有脚步声。到最后，他用胳膊后捅了捅我们，我们便溜了出来，弓着腰，屏住了呼吸，不发任何一点点儿声音，一跟着一个，轻手轻脚，朝栅栏走去，平平安安地走到了栅栏边，我和杰姆跨过了栅栏，可是汤姆的裤子给栅栏顶上一根横木裂开的木片给绊住了，他听到脚步声在走拢来，他使劲扯，啪地一声把木片扯断了。他跟在我们后面跑。 - 3 in windy conditions and certain situations , netting must be placed between the toe board and mid - rails ( and top rails in some cases ) to prevent materials , i . e . paper , rags , small tools ; various materials from being blown off the scaffold decking and falling onto the ground exposing people below to fall hazards
在多风环境中和某些条件下，必须在隔板和中间隔档（有时隔板与顶部隔档）之间安装防摔网，以便防止材料（例如纸张、破布、小型工具等各种材料）被风吹下平台，落到下方地面上的暴露人身上造成摔落危险。