Mahsulot tavsifi
Study materials on the classification, structure, and operation of open-pit mining machinery, including bulldozers, scrapers, and graders. Covers basic types, operation methods, and worker safety
#skreperlar#buldozorlar#yumshatchilar
Muallif

MAHLIYO MO'YDINOVATasdiqlangan muallif
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- 450
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