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bn:21795940n
Noun Concept
AR
No term available
EN
A ballastless track or slab track is a type of railway track infrastructure in which the traditional elastic combination of ties/sleepers and ballast is replaced by a rigid construction of concrete or asphalt. Wikipedia
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Sources
IS A
EN
permanent way
HAS PART
السكك الحديدية البلهد سمك
طبقة الأساس
DOES NOT HAVE PART
crosstie
إثلب
MATERIAL USED
أسفلت
خرسانة

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