- 牵引器: tractor
- 座: seat; place
- 牵引器: exte ion a aratus; exte ion i trument; extension apparatus; extension instrument; orthoterion; retractor; traction a aratus; traction apparatus; traction unit; tractor
- 钢针牵引器,骨牵引器: wire tractor
- 长牵引器臂: long retractor arm
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