Methods Positive charge of amino ultrasound microbubbles (MB-NH2) were prepared with mechanical shaking.

方法 采用机械振荡法制备正电荷氨基化超声微泡（MB-NH2）。

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Some typical testing analysis and researches, including the mechanical tests for rubber bearings and the shaking table tests for structural models with isolation system were provided herein.

阐述了一些典型的试验分析与研究成果，包括橡胶隔震支座力学性能试验与隔震房屋振动台模型试验的成果；

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Brake pads, electrical mechanical, sets of cylinders, when the regulatory chain, anti-theft device, Cam, shaking ratio, valve timing, carburetor.

刹车皮，电器机件，套缸，时规链，防盗器，凸轮，摇臂，气门，化油器。

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