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【单选题】
先预应力混凝土是借助于( )使混凝土产生预压应力。A.
端部锚具
B.
钢筋的热胀冷缩
C.
外力
D.
混凝土与预应力筋的粘结
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皮皮学刷刷变学霸
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【简答题】Strengt euch etwas mehr an, sonst schafft ihr die Prüfung nicht.
【简答题】II.完形填空（30分） John lived all alone because his wife had died. He had worked hard as a tailor all his life, but misfortune had left him penniless. He had 16 sons, but they only had time to 17 and eat di...
【单选题】During a period of protracted illness, the sick can become infirm, ______ both the strength to work and many of the specific skills they once possessed.
A.
regaining
B.
denying
C.
pursuing
D.
losing
【简答题】在整个出库业务程序过程中,复核和点交是两个最为关键的环节。( )
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