waste sand and gravel废: abandon; abolish; abrogate; ...砂砾: land waste; gravel; granule; ...废砂: antiquated sand; waste sand废砂石: waste sand and gravel砂砾: land waste; [地] gravel; granule: grit◇砂砾泵 [机械工程] gravel pump; 砂砾草 gravelweed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:废砂砾，即可在微信中查询翻译
