CERAMICS CAN BE HARDER, LIGHT AND MORE RESISTANT TO HEAT THAN MET...

43. - File thứ 2: bkt_chung_so_1-hk2-2018lop_10-ct_moi_291201817
File thứ 2: bkt_chung_so_1-hk2-2018lop_10-ct_moi_291201817
43. Ceramics can be harder, light and more resistant to heat than metals. A B C D