单面氩弧点焊机single-sided argon arc spot welding machine
单面软磁盘single-sided diskette【计】
单面励磁系统single-sided field system【电】
单面复印single-sided copying【印刷】
【计】 单面单密度软磁盘single-sided single-density diskette
单面印制电路(板)single-sided printed circuit【电子】
开式剪切机single-sided shears
单面小型软磁盘single-sided minidiskette【计】