Tsarin mai amfani ya danganta da mummunan tashin hankali, wanda ya ƙunshi farantin murfin da aka buɗe, an buɗe fil na yara da fil na tsakiya {{{{Azaba a kan ƙananan murfin yara rami mai haɗi, PIN bude Pin yana da bazara a kan kirtani, da ƙananan murfin murfin an ba da su da ƙananan rami na da suka dace da dacewa da ƙananan rami a, kuma an zartar da cibiyar-cibiyar-passing. through the porcelain The other side of the member adjacent to the side provided with the small hole A is provided with a small hole B and a small hole C, and the small hole A and the small hole B communicate with each other, and the small hole B and the small hole C pass The plastic tubes are connected, and the small holes C and the small holes A are both connected to the upper surface of the center through-silver porcelain.
Samfurin mai amfani yana ba da matsala a kan sabon injin da ya dace, wanda zai iya tsabtace da ya kamata yadda ya kamata da kyau da ya kamata .}