back filling shrinkage充填: filling; stowing; backfillin ...物: thing; matter; object收缩: contract; shrink充填物: filler; filling; plug冰槽充填物: ice-channel filling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:充填物收缩，即可在微信中查询翻译
