熱度 1||
發(fā)展絲錐涂層技術(shù)的主要目的是提高生產(chǎn)效率和降低生產(chǎn)成本。主要表現(xiàn)在以下幾點(diǎn):
常見絲錐涂層主要有以下幾種:http://www.sizhuiwhy.com/archives/22.html
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