Shigar da dumama ruwa ya zama sananne ga kowa da kowa, yawancin ayyukan gida sun fara shigar da kayan aikin dumama ruwa, don haka me yasa dumama ruwa ya shahara?Masu zuwa don Allah 505 Metal Products Co., LTD.-Maigidan kayan aikin tagulla don yada shi: Kula da Lafiya Radian ...
A zamanin yau, tare da haɓaka kasuwar kayan aikin famfo sannu a hankali, yawancin kayan aikin kayan aikin famfo nau'ikan kayan kasuwa ba su da iyaka, kamar haɗin gwiwar bututu, ƙayyadaddun ƙa'idodin hydraulic shine tsarin hydraulic don haɗa bututun ko bututun da aka sanya akan abubuwan hydraulic na sassan, haka ma. ..
Kalmar tagulla tana nufin gami da jan ƙarfe na zinc, ta fara ne a daular Ming, tarihinta a cikin "Ming Hui Dian" : "Jiajing, alal misali, kuɗin Tongbao wen miliyan shida, tagulla biyu na wuta dubu arba'in da bakwai 272 jin…… .Brass A gami da jan ƙarfe tare da zinc a matsayin babban ƙari ...
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