题目内容
In aerospace devices the weight of the necessary power producing equipment is _____.
A. vital B. possible C. capable D. reliable
A
解析:
vital 极其重要的。本题译文:在航空航天装置中必要的动力设备的重量问题是至关紧要的。
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In aerospace devices the weight of the necessary power producing equipment is _____.
A.vital |
B.possible |
C.capable |
D.reliable |