n.充填層 perforation compacted zone: 炮眼四周擠壓密實層compacted: 夯實的; 結(jié)實的; 緊密的; 壓緊的, 緊緊連在一起的, 壓實的; 壓實的compacted backfill: 壓夯實回填土compacted catalyst: 成型催化劑; 壓緊的催化劑compacted clay: 夯實粘土; 夯填粘土下載手機詞典可隨時隨地查詞查翻譯