[ 打气筒 ]
[ 打气筒+气针3 (球类打气) ]
[ 打气筒+气针3+网袋 (球类打气) ]
[ 打气筒+气针3+球袋 (球类打气) ]
[ 打气筒+气针3+气嘴 (玩具打气) ]
[ 打气筒+气针3+网袋+气嘴 (玩具打气) ]
[ 打气筒+气针3+球袋+气嘴 (玩具打气) ]