grading macadam
常見(jiàn)例句
- This conclusion can provide references for the grading macadam dynamic triaxial experiment partial pressure and enclosed pressure in the laboratory.
該結(jié)論可爲(wèi)級(jí)配碎石材料室內(nèi)動(dòng)三軸試騐施加偏壓和圍壓提供借鋻。 返回 grading macadam