抗噪
This paper introduces a new type of portable power-operated aspirator which is composed of tubular piston oilless pump, universal motor, automatic liquid level control system, noise proof and vibration absorptive devices and so on.
介绍一种由筒形活塞无油泵、交直流两用电动机、自动液面控制系统、防噪声和减震装置等组成的新型便携电动吸引器装置。
The whole power pack is a simple and complete independent system that has a very good noise proof processing, which reaches corresponding standard.
整组动力箱成一简单完整的独立系统且隔音处理良好噪音符合标准。
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