He's closely monitored the development of electric powered aircraft.
他一直在密切跟踪电动飞机的开发工作。
This year there is greater interest in electric-powered aircraft.
今年最大的兴趣在于电动飞机。
Electric-powered die height adjusting system , digital show;
装模高度机动调节，数字显示；
Electric-powered die height adjusting system , digital show;
装模高度机动调节，数字显示；
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