=VLOOKUP(C3,表1!$B$3:$D$14,3,1)或=LOOKUP(C3,表1!$B$3:$B$14,表1!$D$3:$D$14)
=IF($C3<=0,"",LOOKUP($C3,Sheet1!$B$3:$B$14,Sheet1!$D$3:$D$14))复制并下拉，即可。
