Tiang Teleskopik Aluminium Dengan Kait Untuk Membuka Jendela Atap

Jika ada cacat seperti retak, lipatan, tempa, interlayers, bekas luka, inklusi terak, dll., pada permukaan tempa roda, peraturan berikut harus diterapkan:

For the surface of the forging that needs to be machined, the defect depth is confirmed after inspection, and it can be guaranteed that more than 50 percent of the machining allowance is left. It is allowed not to be removed, but the user's consent is required

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