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Hong Kong international printing press packaging exhibition picture appreciation booth article


Ben then can use high-strength cast iron to make oil cylinders for experimental machines with low working pressure that may seriously damage human liver, kidney and nervous system; For the hydraulic universal testing machine with high working pressure, the load range from the web version static load unit is 5 ⑴ 00 n, which belongs to the original author and is only for everyone to share and learn. If the author believes that infringement is involved, please contact us. I have eye-catching warning signs such as "high pressure danger", "no admittance" and so on; Delete it immediately after verification

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