THANG MÁY HITACHI (3/3) TÍNH TOÁN TẢI TRỌNG TÁC DỤNG Tĩnh tải, hoạt tải Xác định tải trọng tĩnh tải, hoạt tải tác dụng lên công trình Bài viết: 105 Bài gởi: 1,396 Bài mới gởi: Tổ h...
Because of the special environment of Tibet and the excellent skills of artists, the paints(颜料) used in Thang-ga are different from other paints. They were made from minerals like gold and silver, as well as some plants. The paints were made by hand and the beautiful colors could last(...