tamped backfill夯实: tamp; densification; punning ...回填: backfill回填土: backfill夯实回填土: tamped backfill; tamped/compacted backfill未夯实回填土: untamped backfill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:夯实回填;夯实回填土,即可在微信中查询翻译