"明细" A4
=IFERROR(LEFT(
IFERROR(IFERROR(INDEX(OFFSET(计件!$AR$4,,,MAX(IF(计件!$AR$4:$AR$1000<>"",ROW(计件!$AR$4:$AR$1000)))-3,1),ROW(A1)),
INDEX(OFFSET(计件!$AS$4,,,MAX(IF(计件!$AS$4:$AS$1000<>"",ROW(计件!$AS$4:$AS$1000)))-3,1),ROW(A1)-(MAX(IF(计件!$AR$4:$AR$1000<>"",ROW(计件!$AR$4:$AR$1000)))-3) )),
INDEX(OFFSET(计件!$AT$4,,,MAX(IF(计件!$AT$4:$AT$1000<>"",ROW(计件!$AT$4:$AT$1000)))-3,1),ROW(A1)-(MAX(IF(计件!$AR$4:$AR$1000<>"",ROW(计件!$AR$4:$AR$1000)))-3)-(MAX(IF(计件!$AS$4:$AS$1000<>"",ROW(计件!$AS$4:$AS$1000)))-3) ) ),5),"")
数组下拉复制, 结果随“计件”中AR/AS/AT自动更新(行数临时设为不超过1000行)