Tā yòng ruǎnjiàn bǎ jǐ zhāng zhàopiàn pīnjiē chéng quánjǐngtú.
She used software to stitch several photos into a panorama.
Tips
memory
拼 (to put together piece-by-piece, as in 拼图 jigsaw puzzle) + 接 (to connect, splice). The two halves emphasize the same act from different angles: 拼 the assembly, 接 the joins.
usage
Common in tech and design contexts: 视频拼接 (video splicing), 图像拼接 (image stitching for panoramas), 拼接屏 (video wall, multiple screens tiled into one). Also in fashion 拼接 means colour-blocking or fabric-blocking.