合并
发表于 2025-3-23 12:13:13
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失望昨天
发表于 2025-3-23 15:04:43
Sheng-Hong Chene und Aminosäurestoffwechsel.Durchgehend zweifarbige Darstel.In der medizinischen Grundlagenforschung nimmt die Biochemie einen immer bedeutenderen Rang ein, doch leider stellt das Fach nur allzu oft eine der großen Hürden vor dem Physikum dar. Mit diesem Lehrbuch verhelfen die Autoren den Studenten
网络添麻烦
发表于 2025-3-23 19:46:50
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神化怪物
发表于 2025-3-24 00:27:19
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疾驰
发表于 2025-3-24 06:15:06
Study on Material Properties,ent mortar; organic materials such as wood, bamboo, asphalt, and geosynthetics; and metal materials such as steel and cooper. The rock, soil, and concrete are the most prevalent materials for the building of hydraulic structures, whose properties, such as density, permeability, deformation, consolid
surmount
发表于 2025-3-24 08:46:59
Actions on Hydraulic Structures and Their Effect Combinations, being usually or actually sustained by structures, which result in stress and deflection within structures named as “effects.” Actions may be direct or indirect, the former refers to concentrated or distributed forces, which are conventionally called as “loads”; the latter means the factors inducin
军火
发表于 2025-3-24 13:40:34
Analysis of Action Effects for Hydraulic Structures,ilure will occur if the stress exceeds the bearing capacity of the structures. Since the beginnings of human civilization, the engineering of hydraulic structures has increasingly evolved from primitive trial-and-error ventures to skillfully analytic approaches. Early hydraulic structure constructin
AVID
发表于 2025-3-24 16:14:14
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IRK
发表于 2025-3-24 19:09:58
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MOAN
发表于 2025-3-25 00:31:14
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