[ 白杆[书写为黑色] ]
[ 粉杆[书写为黑色] ]
[ 蓝杆[书写为黑色] ]
[ 白杆+3支黑色替芯 ]
[ 蓝杆+3支黑色替芯 ]
[ 粉杆+3支黑色替芯 ]
[ 白杆+5支黑色替芯 ]
[ 蓝杆+5支黑色替芯 ]
[ 粉杆+5支黑色替芯 ]
[ 中性笔三支装 ]