Mahaifiyar da ba ta -ƙarfe ba ita ce ingancin kayan ƙarfe ba, yawanci ana amfani da ita tare da screw plugs ko screw bolts, kuma ana amfani da ita a masana'antu da masana'antu. Ingancin kayan ya samo asali ne daga karni na 19 na ƙarfe na Burtaniya, wanda ke da fa'ida da rashin amfani na ƙarfe na Biritaniya, yana da sifofin raunin juriya na lalata da harin sinadarai, kuma manyan nau'ikan sun haɗa da jikin Okuji, jikin Maji, da sauransu, daga cikinsu Okuji ya rubuta nau'in nau'in nau'in nau'in faɗaɗawa na Magnetic da waya.
Babban ɓangaren aikin yana daidaitawa, zaren zaren yana haɗa cikin zaren screw, zaren zaren yana haɗa da na'ura, siffar dunƙule guda huɗu - mai tsayi, siffar malam buɗe ido. Dumama na dunƙule motherboards, dunƙule uwayen uwa, da dai sauransu, dangane da kasa misali (kamar GB/T jerin), misali classification kamar beauty standard, da dai sauransu. Mai jituwa tare da ingancin kayan ƙarfe, mara -karfe screw mating, babban juriyar wutar lantarki, ƙarancin zafin jiki, juriya mai ƙarfi da sauran halaye, da buƙatar mahalli masu sassauƙa da yawa{6}. Tsarin darajar sa ya haɗa da na'urorin lantarki, mu'amalar doka, mu'amala da sauran ƙirar aiki, da ƙayyadaddun buƙatun yanayin masana'antu iri ɗaya.
Ƙarfe yana da yawa, ƙarfin ƙarfe yana da yawa, ƙananan ƙarfe yana da yawa, ƙananan ƙarfe yana da yawa, ƙananan ƙarfe yana da yawa, ƙananan ƙarfe, ƙananan ƙarfe, ƙananan ƙarfe, ƙananan ƙarfe, ƙananan ƙarfe, ƙananan ƙarfe, ƙananan ƙarfe, ƙananan ƙarfe. yana da girma; Nau'in jiki, nau'in jikin dangin Oku, nau'in jikin dangin Oku, ba - oda na keɓance ƙarfe, haɓaka; Ƙarfe mai mahimmanci; ƙaramin ƙarfe, nau'in jikin baƙin ƙarfe nau'in baƙin ƙarfe na Japan wanda ba - ƙarfe na Magnetic na ƙarfe ba, nau'in Okushi ba{2}} ƙarfe ba na maganadisu ba{3}, amma sarrafa sanyi Lokacin da taurin ya faru, tsarin jikin yana canzawa, kuma ana samar da kayan aikin biomagnetic.
Karfe da ba a haɗa shi da juna, Featured ƙananan jeri na musamman:
(1) Babban ƙima na lantarki, kusan sau 5 na ƙarfe.
(2) Large sikelin fadada tsarin lamba, zumunta karfe size 40%, kusa da zazzabi taro tsawo, waya fadada tsarin lambar da lokaci tsawo.
(3) Rawan dumama, kusan 1/3 na karfe.