JJG539-1997检定规程规定,当最大称量大于1吨时,重复性误差不大于0.3e时 发布时间:2017-10-03 03:06 │ 来源:www.tikuol.com 题型:单项选择题 问题: JJG539-1997检定规程规定,当最大称量大于1吨时,重复性误差不大于0.3e时,标准砝码的量可减少至()。A.50%最大秤量B.20%最大秤量C.35%最大秤量D.最大秤量
题型:单项选择题 As we all know, the dove and the olive branch ______ peace. [ ]A. present B. mark C. replace D. represent 查看答案