密实系数compaction: n. 紧密;致密;压缩。 factor: n. 1.〔英国〕经销人;(代客买卖收取佣金的)经纪人; ...inverse compaction factor: 逆压实系数momentum compaction factor: 动量压缩因数a ormal compaction: 异常压实下载手机词典可随时随地查词查翻译