单词	twin feed
释义	twin feed 双面进料
随便看	backward-facing seat backward failure backward feed backward-feed backward feeding backward field impedance backward-field impedance backward-field torque backward field torque backward file backward file recovery backward finite difference backward flashover backward flight backward flow backward-flow backward flow forming backward flow problem backward flow process backward folding backward-forward counter backward forward counter backward gain backward-gear backward gear 123445434 12344544 123445534 12345 123451111 123451112 123451121 123451124 123451134 123451135 黒斑病黒星黒曜石黒服黒木黒松黒板黒枠黒柿黒檀