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【简答题】
对夹紧装置的基本要求有哪些？
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】If two goods are perfect complements,
A.
indifference curves have a positive slope.
B.
consumers will only buy the cheaper of the two goods.
C.
there is a bliss point and the indifference curves surround this point.
D.
None of the above.
【单选题】If the indifference curves between two goods are L-shaped, the goods are
A.
complementary goods.
B.
substitute goods.
C.
normal goods.
D.
inferior goods.