题目内容
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[单选题]
液压传动可实现无级调速,并且调速范围很大,可达()。
A.100:1~500:1
B.100:1~1000:1
C.100:1~1500:1
D.100:1~2000:1
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A.100:1~500:1
B.100:1~1000:1
C.100:1~1500:1
D.100:1~2000:1