最終更新日：2022/12/24
The nests of coil springs at each end of the bolster, resting on the spring plank, are in line with the swing links between the swing plank and the one-piece fabricated bogie frame; ….
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The nests of coil springs at each end of the bolster, resting on the spring plank, are in line with the swing links between the swing plank and the one-piece fabricated bogie frame; ….
DiQt（ディクト）
無料
★★★★★★★★★★
