| 摘要 |
A window unit of railroad car contains a window, a frame, double-glasses of window and window leaf, elastic sealers of window and a window leaf, a wire or composition threads fastened on the perimeterof double-glasses, window leaf with opening mechanism and locks. Furthermore, window is equipped with the axles with the rollers fixed on it, which move in F-shaped guides installed on the frame of the window.
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