n.充填层 perforation compacted zone: 炮眼四周挤压密实层compacted: 夯实的; 结实的; 紧密的; 压紧的, 紧紧连在一起的, 压实的; 压实的compacted backfill: 压夯实回填土compacted catalyst: 成型催化剂; 压紧的催化剂compacted clay: 夯实粘土; 夯填粘土下载手机词典可随时随地查词查翻译