单词	补块
释义	补块 bǔkuài〔comp.〕paste block
随便看	piggyback entry form piggybacker piggybackers piggyback generator piggyback handling facility piggyback hardware piggyback hatchcover piggy-back hatch cover piggyback infusion set piggybacking piggy backing piggy-backing piggybacking export piggybacking marketing piggy-backings piggybacking tactic piggyback injection machine piggy back injection machine piggy-back legislation piggyback on piggyback on something piggy-back operation Piggy back orthotopie transplantation piggyback pilot valve piggyback plant