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【单选题】
蒸汽溴化锂吸收式制冷系统中，以下哪种说法是正确的
A.
蒸汽是制冷剂，吸收剂
B.
蒸汽是吸收剂，溴化锂溶液为制冷剂
C.
溴化锂溶液是吸收剂，制冷剂
D.
溴化锂溶液是制冷剂，吸收剂
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【单选题】Which conic projection chart features straight lines which closely approximate a great circle? _____
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【多选题】金融远期合约不包括()
A.
非标准化合约
B.
履行大部分通过对冲方式
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We should be patient.
B.
We should work hard.
C.
We should be blessed with luck.
D.
We should understand the importance of teamwork.
查看完整题目与答案
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【简答题】Je (emprunter v.t.借入) ______ des livres à la bibliothèque (f. 图书馆).
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【单选题】Which conic projection chart features straight lines which closely approximate a great circle? _____
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B.
Lambert conformal
C.
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查看完整题目与答案