mtundu wa Automatic Hermetic Door.Poika chipangizo chosindikizira kumapeto kwa tsamba lachitseko, pamene tsamba la khomo ndi khomo la khomo latsekedwa ndi kutsekedwa, ndodo yosunthika ya chipangizo chosindikizira imagwirizanitsa ndikufinya chimango cha chitseko, imasunthira ku chipangizo chosindikizira, ndi co. ..
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