gravel
【化】 卵石磨; 卵石磨机
gravel mill
暂无补充释义。
相关词条
gravel filter layer
gravel-voiced
gravel bed (gravel base course), crushed-stone bed (crushed-rock bed)
gravel
gravel
gravel
gravel
gravel mill
暂无补充释义。
gravel
gravel filter layer
gravel-voiced
gravel bed (gravel base course), crushed-stone bed (crushed-rock bed)
gravel
gravel
gravel
gravel