Akwai nau'ikan kayan aikin bututu da yawa, waɗanda aka rarraba bisa ga amfani da su, haɗin kai, kayan aiki, da hanyoyin sarrafa su. By manufar 1. Bututu kayan aiki don haɗa bututu ne: flange, haɗin gwiwa, bututu matsa, ferrule, tiyo matsa, da dai sauransu 2, canza bututu shugabanci na bututu: gwiwar hannu, gwiwar hannu ...
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