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Packaging requirements for toothpaste paste

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Test Method
the following sampling methods shall be adopted for the indicators of the final test results calculated by the weighing method
A) single phase tube toothpaste: first extrude 20mm paste, discard it, and then extrude the sample to weigh its quality
b) multiphase tube toothpaste: first extrude 20mm paste, discard it, and then take out the paste from each phase according to the marked proportion. If there is no marked proportion, take average samples from each phase, mix well and weigh its mass
1 paste
take 2 pieces of toothpaste from any sample, squeeze them all in strips on white paper or white porcelain plate, and conduct visual inspection
2 flavor
determined by tasting method.

1: according to the meaning of the question, it takes 8 hours for car a to finish the whole journey. If car a meets car B in 5 hours, it has run 5 /8 of the whole journey, and the rest is 3 /8 of that of car B. then car a runs 2 /8 more than B, and it is known that car a runs 20 kilometers faster than car B in 5 hours. That is, Jiaduo ran 100 kilometers. So AB and ab can calculate the distance of 400 kilometers. 2: If the volume of a cylinder is equal to a certain base area, then the height ratio is the inverse ratio of the base area. So you can only use it 25 times.

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