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【简答题】
硅酸盐水泥的侵蚀有哪些类型?内因是什么?防止腐蚀的措施有哪些?
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【简答题】Since all roads are not perfectly smooth, and the transmission is fixed, the drive shaft has to be flexible to absorb the shocks of bumps in the road.
【简答题】Since all roads are not perfectly smooth, and the transmission is fixed, the drive shaft has to be flexible to absorb the shocks of bumps in the road.
【单选题】According to CISG, when is an contract formed?
A.
when the contracting parties sign the contract.
B.
when the acceptance reachs the offeror.
C.
when the contract is approved by the government.
D.
when the offer reaches the offeree.
【简答题】数据库的安全性是指保护数据库以防止合法用户的()操作和非法用户的()操作。
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