What accounts for the great outburst of major inventions in early America—breakthroughs such as the telegraph, the steamboat and the weaving machine?
是什么导致了早期美国例如电报、蒸汽船和织布机的重大发明的大量涌现？
Methods D12 weaving weaving weaving machine.
编织方法用D12编织机编织。
She is very skillful in using the weaving machine.
她使用织布机的技术相当熟练。
应用推荐