gritn.砂砾;粗砂石;勇气;决心vt.覆以砂砾;咬紧牙关vi.发出刺耳声
grit blasting sandblasting喷砂清理
grit dewatering facilities砂砾去水设施
gritical discourse analysis批评话语分析
grit and stone removal rate除砂率
grit-work contact temperature磨粒工件接触点温度
grit content in flour determining含砂量测定
Gritrock is siliceous sandstone.粗砂岩是硅酸砂岩。