词汇	upper tool holder
释义	upper tool holder 上位刀具架
随便看	integral of three-body problem Integral of time-weighted square error integral oil filter integral on electric field intensity integral one-piece mainshaft integral on the perimeter integral opening valve integral operater integral operating room integral operation integral operational matrix integral operator integral operators Integral Operator Trainer Integral optical density integral optimizing integral order of interference integral organic cover integral orifice attachment integral orifice meter integral outer ring integral packaging integral panel integral panel point integral panel skin