position 把计

ㄏノ position 把计ㄓ砞﹚┪琩高瞷︽じい村夹逆竚

ノ┦

query 
set 

絛瞅

瞷︽跌瓜

粂猭

query position set position n 

把计

n ㄏノ n 把计ㄓ村夹逆竚

絛ㄒ

query position set position 20 

闽把酚
query 
set 
displayPosition 把计