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【单选题】
下列元件不是控制元件的是A.
油缸
B.
溢流阀
C.
节流阀
D.
换向阀
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【简答题】《兰亭集序》的作者王羲之有“ ”之称。
【简答题】They tried vainly to blame us for the damage of the machine. 2. Sunrays filtered in wherever they could, driving out darkness and choking the shadows. 3. Strange enough they were the same age to the d...
【简答题】《兰亭集序》的作者( ),有( )之称。
【简答题】《兰亭集序》的作者王羲之是东晋书法家,有“ ______ ”之称,也擅长诗文。
【简答题】Listen to the following passage and then fill in the blanks. Obtaining good health insurance is a real 1 __________ while you are studying overseas. It protects you from minor and major medical expens...
【简答题】Listen to the following passage and then fill in the blanks. Obtaining good health insurance is a real 1 __________ while you are studying overseas. It protects you from minor and major medical expens...
【简答题】The problem now....
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