line keystone correction扫描: scan; scanning; scansion; sw ...线: thread; string; wire梯形: ladder-shaped trapezoid; tra ...校正: check; correction; adjust; r ...信号: signal; semaphore; gun下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:扫描线梯形校正（信号），即可在微信中查询翻译
