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How the sprayer works？
by admin on 22-09-08
Bernoulli's principle Bernoulli, Swiss physicist, mathematician, medical scientist. He is the most outstanding representative of the Bernoulli mathematical family (4 generations and 10 members). He studied philosophy and logic at the University of Basel at the age of 16,...
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How to reuse the airless bottle
by admin on 22-06-14
How to reuse the airless bottle For repeated use of the airless bottle sample, it is necessary to remove the substance inside, and then press the piston part to make the piston part reach the bottom. When the pist...
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