题目内容
In aerospace devices the weight of the necessary power producing equipment is _____.
A.vital |
B.possible |
C.capable |
D.reliable |
【答案】
A
【解析】略
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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】略