| 摘要 |
An air suction valve for storage bag includes a body, a flat valve, a control knob and a lid; the body containing an air duct, a port below the air duct to be closed by the plate valve; the control knob being provided on the plate valve to engage longitudinal displacement to control the plate valve to descend to shut off or to ascend to open up; the lid in relation to the air duct being adapted to the control knob and provided with a air suction port; and an assembly gap being formed to the air suction port to connect through the atmosphere.
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