Coenzyme 发表于 2025-3-21 17:07:01
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Introduction,nditure accounts for 20–50 % of the production cost for the mining industry depending on the level of mechanization. In larger companies, reducing maintenance expenditure by $1 million contributes as much to profits as increasing sales by $3 million (Wireman, 2007). The amount spent on the maintenanRALES 发表于 2025-3-22 03:36:54
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Types and structures,, solid-state welding processes are also very suitable for joining dissimilar materials as their chemical compatibility, thermal expansion, and conductivity are no longer important problems. Solid-state welding, alternatively called solid-state bonding, covers a wide spectrum of processes includingUNT 发表于 2025-3-22 20:14:27
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