steep grade
短語詞組
- steep down grade 陡下坡
- steep -grade mine 急傾斜礦井
- steep p grade 急傾斜
- culvert on steep grade 陡坡涵洞
- steep grade mining 陡幫開采
- sustained steep grade 持續(xù)陡坡
- a steep grade 陡坡
- long steep grade 長(zhǎng)大坡度
- Hurley Steep Grade T -Shirt 赫利陡坡 返回 steep grade