ruling grade

grade的翻译中文意思-在线英汉词典 ... rolling grade 起伏坡度 ruling grade 限制坡度 sampled grade 试样品位 ...

http://www.ptsgi.com/chinese... ... "控制车"," Controlling car" "控制坡"," Ruling grade" "控制栅极"," Control grid" ...

...查定坡度） 限制机車牵引定數之因素颇多，其中以路线之坡度为最大。支配坡度（ruling grade）系指在列車运转区间..观看 …