同义词
1)minimum permissible roller tread diameter,最小允许滚轮胎面直径2)minimum permissible idler tread diameter,最小允许从动轮胎面直径3)minimum permissible diameter,最小允许直径4)maxinum acceptance diameter,最大允许直径5)minimum allowable cross-section,最小允许截面6)the maximum bar diameters,钢筋允许最大直径