hard-rubber pessary硬橡胶子宫托
hard resin rubber硬树脂橡胶
hard pressing rubber bead硬质胶胎圈
hard pressing rubber tire硬橡胶轮胎
hard-rubber sheet硬橡胶板
hard pressing rubber硬橡胶
hard-rubber battery box硬橡皮蓄电池壳
hard-rubber steering wheel硬橡胶方向盘
cells in hard-rubber containers硬橡胶容器电池
N(名词) a hard fairly inelastic material made by vulcanizing natural rubber 硬橡胶→see vulcanite