Ring Pressure Center Phaj
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DRK113 Ring Pressure Center Phaj
Lub nplhaib siab nruab nrab phaj yog tsim thiab tsim raws li lub teb chaws tus qauv, thiab yog ib tug tshwj xeeb xeem ntsuas rau ntau npaum li cas ntawm cov qauv qauv ntawm daim ntawv thiab cardboard.
