Tubing coupling wani nau'i ne na kayan aikin hakowa a filin mai, wanda aka fi amfani dashi don haɗin tubing. Haɗin tubing yana magance matsalar karyewar gajiyar haɗaɗɗiyar da ke akwai saboda damuwa.
Dakin 703 Ginin B, Cibiyar Greenland, yankin bunkasa fasahar Hi-tech Xi'an, China
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