Rural electrification following the Great Depression made farm windmills obsolete.
Rural electrification following the Great Depression made farm windmills obsolete.
1930年代美国经济大萧条之后的农村电气化，淘汰了农场上的风车。
Rural electrification following the Great Depression made farm windmills obsolete.
1930年代美国经济大萧条之后的农村电气化，淘汰了农场上的风车。