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		Only when the optical axis is calculated strictly, can the deformation of the shaft be disturbed by force?
		2017-03-16
		The service life is very important for any product, so is the linear optical axis. The service life affects its performance and change in the process of work. So how do we measure the service life of the optical axis?

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	Shuibian Industrial District, Hengli Town, DongGuan City, Guangdong province China

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