Pure silk weaving is the process of making silk fabric from silk filament according to a certain specification and technological design request.
真丝绸织造是以天然桑蚕丝作为经、纬线原料，按照一定的规格和工艺设计要求，将桑蚕丝制织成丝织物的过程。
Practices show that the treatments before plating is the key to electroplating process. According to the technological specification, the qualified rate of better ele...
应用实践表明，镀前处理是电镀过程中的关键，按照工艺规程表操作，电镀件良好的合格率是可以达到的。
Practices show that the treatments before plating is the key to electroplating process. According to the technological specification, the qualified rate of better ele...
应用实践表明，镀前处理是电镀过程中的关键，按照工艺规程表操作，电镀件良好的合格率是可以达到的。
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