spoil heap formation system废石堆: hillock; burrow; spoilbank形成: form; take shape; shape; for ...方法: method; means; way; techniqu ...崩落废石堆: caved debris废石堆沉降: spoil heap settlement下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:废石堆形成方法，即可在微信中查询翻译
