percentagen.百分率；比例；部分；好处percentage basis百分率基准Percentage of UT超声波探伤比例percentage timer百分比计时器percentage scale百分率量表percentage lease百分率租约percentage share百分比份额percentage blind盲芽率percentage error百分误差,百分率误差,出错百分数,误差百分率percentage limit百分数限度percentage cover覆盖百分率