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pro vyhledávání: '"Hag-Bong Choi"'
Autor:
Heung-Chul Sin, Dong-Yun Lee, Woo-Sang Park, Jong-Hoon Lee, Hag-Bong Choi, Jong-Suk Oh, Chun-Hong Park
Publikováno v:
Journal of the Korean Society of Precision Engineering. 29:147-155
Wind power, which is one of the promising renewable energies, has shown the high growth rate of 35 % of the annual average in the recent 5 years and also windmill related equipment market has been fast-growing. Yaw & Pitch bearing are the key parts o