In1709,____ succeeded in smelting iron with coke instead of charcoal, which sped industrialization in Britain.
A.James Watt B.John Kay C.James Hargreaves D.Abraham Darby正确答案D
In1709,____ succeeded in smelting iron with coke instead of charcoal, which sped industrialization in Britain.
A.James Watt B.John Kay C.James Hargreaves D.Abraham Darby正确答案D