成型性紧实性可碾压夯实性可碾压压实性可压实性可压缩性压实性compactability index: 压实指数compacta: 致密层compactablility: 可紧致性compact; clamp; compress tightly: 压紧compactcircuit: 紧凑型电路下载手机词典可随时随地查词查翻译