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【单选题】
基制配合中，其基准的_________为基本偏差，其值为0，代号为HA.
上极限偏差
B.
下极限偏差
C.
提取偏差
D.
尺寸公差
E.
极限尺寸
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D.
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【单选题】根据下列文章,请回答 23～30 题。 DVD for Rent 1 A pay-for-play system for video DVD will emerge by summer as an alternative, and possibly a competitor, to the DVD format currently available. 2 The new system, call...
A.
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B.
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D.
Unlimited Play of Divx Discs
E.
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