DictionaryForumContacts

   Chinese
Terms for subject Environment containing 开挖 | all forms
ChineseEnglish
砂石开采,砂石挖掘gravel extraction Obtaining a mixture of coarse sand and small water- worn or pounded stones, (used for paths and roads and as an aggregate) from the earth (从地层中获取粗砂和细小的受水磨蚀或磨碎之石头混合物,通常用作舖设道路的材料。)