难理解 发表于 2025-3-26 22:46:02
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Mechanical and Acoustic Microactuators and Micropumps,hese actuators are solid links and levers that transform small displacement and large forces to large displacements with small forces and gears that perform similar tasks. Other interesting examples are mechanisms which can be used to “rectify” oscillatory motions and generate d.c. displacements .Melanoma 发表于 2025-3-27 11:49:47
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Hans Kindohrleitung drücken, welche dieselbe nach dem Ort ihrer Verwendung, meist einem Schmiedefeuer, Kupolofen, kurz einem Verbrennungsherd führt. Im ersteren Falle werden dieselben wohl auch Exhaustoren genannt. In beiden Fällen besteht zwischen der Spannung der Luft vor dem Eintritt in das Gebläse und hiLAPSE 发表于 2025-3-27 21:13:42
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https://doi.org/10.1007/978-3-030-24950-2etween homeschooling among Black families compared to families of other ethnic/racial backgrounds?”. The chapter begins with a discussion of African American resistance theory and how single mothers’ homeschooling aligns with the conception of African American resistance. Connections between Black FHumble 发表于 2025-3-28 09:52:09
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