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Terms for subject Aviation containing IT | all forms | exact matches only
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do it yourself自己动手
do it yourself自己做
It is impossible for a self-acting machine,unaided by an external agency,to convey heat from one body to another at a higher temperature不可能不付代价地把热量从一个低温物体传给另一个高温物体
the records pertaining to an end item as it was built已完成的相关终端项目的记录