gradeability是什么意思？

gradeability的音标：gradeability的英式发音音标为：[greɪdə'bɪlətɪ]gradeability的美式发音音标为：[greɪdə'bɪlətɪ]...

Increased gradeability reduces travel speeds asphalt surfaces.提升爬坡能力会相对减低行走速度.The gradeability of full - wheel driving vibratory rollers is related its power, and restricted by cohesive factor.全液压振动压路机的爬坡能力与动力有关系, 并受到附着系...