1·Blade according to claim 1, characterised in that it additionally comprises a rigid cap (7) for protecting the leading edge (5), integrated with the shell (4), and of titanium or moulded polyurethane.
刀片根据权利要求1，特色，因为它另外包括一个刚性的上限(7)为保护领先地位(5)，综合与蚬壳(4)，钛或成型聚氨酯。