strategic mining布雷: lay mines a surname战略性: critical issues of overall and strategic significance to shanghai’s development防护性布雷: protective mining封闭性布雷: closure mining活性布雷区: active mine fields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:战略性布雷，即可在微信中查询翻译
