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ballast regulator : ウィキペディア英語版 | ballast regulator A ballast regulator is a piece of rail transport maintenance of way equipment used to shape and distribute the gravel track ballast that supports the ties in rail tracks.〔 〕 They are often used in conjunction with ballast tampers when maintaining track.
Image:Ballast-regulator-shoulder-shaping.jpg|Shaping the ballast shoulder Image:Ballast-regulator-levelling.jpg|Levelling the ballast height between the rail Image:Ballast-regulator-plowing.jpg|Acting as a ballast plow
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「ballast regulator」の詳細全文を読む
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