[ [医护蓝黑笔]2支 ]
[ [医护蓝黑笔]3支 ]
[ [医护蓝黑笔]6支 ]
[ [医护蓝黑笔]12支 ]
[ [医护蓝黑笔]24支 ]
[ [医护蓝黑笔]1支+送20支蓝黑替芯 ]
[ [医护蓝黑笔]2支+送20支蓝黑替芯 ]
[ [医护蓝黑笔]3支+送20支蓝黑替芯 ]
[ [医护蓝黑笔]6支+送20支蓝黑替芯 ]
[ [医护蓝黑笔]12支+送20支蓝黑替芯 ]
[ [医护蓝黑笔]24支+送40支蓝黑替芯 ]
[ [单独替芯]蓝黑替芯40支 ]
[ [3支]3色 | 蓝黑笔+红笔+黑笔 | 各1支 ]
[ [12支]3色 | 蓝黑笔+红笔+黑笔 | 各4支 ]