欧美性受xxxx黑人xyx,天天躁恨恨躁夜躁2020,少妇高清性色生活片成人版,口述他进我身体全过程

DA-6A Integrated intelligent distillation instrument

1、Buried ceramic far infrared radiation heating, safe and reliable

2、High flow condensing tube, fast condensation

3、Anti backflow protection, automatically disconnect the heating and turn on the anti backflow module after completing the distillation test

4、Equipped with refrigeration function, no need for external circulating water device, reducing condensate temperature and improving distillation speed

5、One click add water and stop when the water is full, no need to worry about overflowing water and damaging the equipment

6、Can process 6 sets of samples at once and work in a single set, with clear and clear data at a glance

7、Cooling method: built-in air-cooled circulating water device, no need for external circulating water

8、Dual intelligent endpoint control to prevent excessive distillation, controlled by both quantitative weighing module and timing module

9、7-inch touch screen control, custom settings for saving/reading, one click access and use