电动打字机 [印刷] electric typewriter ; selectric
电动打包机 power-operated baling press
电动打样机 power proof press
电动打孔机 electric perforator ; SPC-III
电动打磨砂盘 electric disc sander
电动打蛋机 electric egg mixer
电动打钉枪 Electric Nailer ; Electric Tacker
电动或非电动打字机 Typewriters ; electric or non-electric typewriter
非电动打蜡设备 Wax-polishing , non-electric ; non-electric waxing equipment
我是用电动打字机打这封信的。
本月在法国布尔歇的绿色航展上已经出现了一打左右的电动飞行器。
A dozen or so electric aircraft are expected to turn up at the Green Aviation Show, which will be held at le Bourget, France, this month.
这项研究发表在《转化精神病学》杂志上，也是第一次将频繁地打电动游戏与大脑结构和行为活动之间的差异联系起来。
This study, published in the journal Translational Psychiatry, is the first to connect frequent video gaming with differences in both brain structure and activity.
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