累积修订（包括备用页）占手册总页数的60%以上时，应重新编写手册。( )
A.When total revisions including left pages,above 60%of the total pages in the manual,a reassure of the manual should be prepared. B.When accumulated revisions including back-up pages,over 60%of the total pages in the manual,a reissue of the manual should be prepared. C.When accumulated revisions including left pages,above 60%of the total pages in die manual,a revise of the manual should be prepared.正确答案B
