一个好的化学实验室应配有精密仪器，并有充足的各种化学物质供应。
A good chemical laboratory is equipped with precision instruments and supplies of many chemical substances.
所以，它适用于作扩散泵的前级泵，而且更适用于精密仪器配套和实验室使用。
Therefore, it applies to diffusion pump for the pre-pump, but also for supporting precision instruments and laboratory use.
应用范围：光学仪器制造各种电子、电器、精密仪器的擦拭光纤制造实验室器具及仪器的清洁印刷业机器的清洁包装业。
Application range: optics instrument, electronic, apparatus, precision instruments wiping, sensorius fiber manufacture, apparatus and equipment in lab cleaning, machine in print and packing industry.
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