| 摘要 |
The method of moulding concrete railway sleepers involves forming two block of concrete connected by a spacer (9). The block moulds are placed in two rows (1-4) and the spacer moulds have their two ends inserted into the two respective moulds in each row. The casting ports are sealed off and all mould cavities are filled in one filling step from a common duct (53,54). Claims include a moulding machine
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