قطع الغيار من YN27C البنزين حفارات الصخر الهيدروليكي ثقب اليد أدوات التعدين بئر الفحم حجر حفر الصخور للبيع

Brazil officially opened its new research base in Antarctica, the Ferraz Antarctic Station, with a construction area of 4,500 square meters, almost twice the size of the old base, striking for its stylish architectural design and hotel-style accommodation for 64 people . The new site, located on the Keller Peninsula on King George Island, will contain 17 laboratories and will support a range of research in environmental microbiology, human physiology, paleontology and climate change.