单词	动力曳引机
释义	动力曳引机engine tractor
随便看	program automatic synthesis program base register program block program breakpoint program budget program budgeting program budgeting system program building program call program card program change control system program change control system--pccs program change control system，pccs program change package program change package--pcp program change package，pcp program change proposal program change proposal--pcp program change proposal，pcp program change request program change request，pcr program channel program check program check code program check interrupt