- fish-bellied girder
- • греда с еднакво съпротивление на огъване• греда с рибовидна форма
English-Bulgarian polytechnical dictionary . 2013.
fish-bellied girder
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History of trams — Tram systems were common throughout the industrialized world in the late 19th and early 20th centuries, but they disappeared from many cities in the mid 20th century. In recent years, they have made a comeback. Many newer light rail systems share … Wikipedia
