| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide sufficient enough structural rigidity and solidness at the same time. <P>SOLUTION: The wall section 101 for a wind turbine tower includes inner edges 115, 117 surrounding an opening 113 of the wall section: and protrusions 119, 121, 123 protruding in a thickness direction of the wall section and extending transverse to the thickness directions 103, 105. <P>COPYRIGHT: (C)2012,JPO&INPIT |
