多项选择题
A.头盔 B.安全带 C.救生衣 D.保护绳 E.锁具
A.1%-2%；〉1%B.9%-10%；〈5%C.6%-8%；〈1%
A.OUTDOORB.OUTWARDBOUNDC.PPROJECTADVENTURED.ADVENTUREEDUCATION