Ruohao vacuum sucker: how to ensure the safe use of vacuum sucker
Time: May 22, 2019
Ruohao vacuum sucker: how to ensure the safe use of the vacuum sucker, the vacuum sucker is not damaged or cracked, the surface of the vacuum sucker is clean, the surface quality of the plate is good, and the lip of the vacuum sucker fits better with the surface of the plate. In the case of less air leakage, the vacuum degree can reach
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