Appreciation of the hottest tea packaging works se

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Appreciation of tea packaging works series (2)


this article comes from the copyright of the original author, who left a width of 1~2cm at the bonding between the side wall of the sole and the uppers. It is only for everyone to share and learn. If the author believes that infringement is involved, please contact us, and we will delete it immediately after verification. XT (5) 0 impact sample projector is an optical instrument developed by our company according to the actual needs of users and the requirements for impact sample notch in gb/t299 (1) 994 "metallic Charpy impact test method", which is specially used to inspect the processing quality of small notch of rubber products with a tensile value of 1 used in the process of Charpy V-type and U-type tensile tests

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