□h2>时代的印记□火列车的诞□离不□人类长期对于交通工具□探索和创新。从最初的马□□□汽机车到如今的高速列□、磁悬浮列车,人类一直在不断追求更快、□安全、更舒适的交通工具□烽□列车的□现,为人类提供了□多的□择,也为人类的社会发展□供了新的推动力。□>
I□ves□igat□rs □earned that the gr□u□ □ad b□en fri□nds□for ye□rs, bu□ recently there had□been t□nsion□among them. Ru□ors of disagreem□nts and arguments du□in□ the t□i□ b□gan to□□ur□□ce, lea□ing a□□horities t□□□pe□u□a□e whether□fo□l play was involved. Each me□ber of the gr□u□ □ad □ differ□nt story to tel□, an□ the □nco□s□stencie□ □n the□r accou□ts o□ly add□d to t□e my□tery of the m□ss□n□ nine.