Abnormity bookbinding artifactitious, is subject to the effects of international powers.
異形裝訂加工方法的出現, 也是受國際沓流的影響.
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Welding is one of the important technologies in impellers " artifactitious . "
焊接是 葉輪 加工的重要工藝之一.
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Multilayer film artifactitious a lot, they fan wei coating method andlysis method and costringency method, etc.
多層復合薄膜的加工方法很多, 歸納起來主要有涂布法 、 層壓法和共擠法等.
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This process has also have application, but the artifactitious time consuming , difficult this, telecom industry.
此工藝延續(xù)至今還有廠家應用, 但其加工方法費時、費力 、 效率低下.
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