| 摘要 |
A rail tank car contains a frame with the truck, automatic coupling devices, a braking device, a boiler installed on the frame, area with enclosures, protective arcs, a hatch, a protective housing for steel framework. The hatch is made in the form of a boss, which has a niche for installation of cover with reinforcement in the center section, and the variable section of the extreme parts, which ensure smooth passage to the cowling of boiler.
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