英语翻译：
【机】 relieving attachment
分词翻译：
后退的英语翻译：
back off; recoil from; backpedal; countermarch; fall back; recession
【医】 backward progression; retrocession; retropulsion
附件的英语翻译：
accessory; adjunct; annex; appendix; enclosure
【计】 accessory; attachment
【医】 adjunct; adnexa; annexa; appendage; appendices; appendix; armature
【经】 accessory; addendum; annex; attached sheet; attachment; enclosure
inclosure; supporting document