涉及的行业门类多,品种繁杂。2。注重造型及外观工艺,结构简单,体积小。3。使用简单,方便。
The 1 involves the industry category, species complex. 2 pay attention to the shape and appearance of technology, has the advantages of simple structure, small volume. 3 the use of simple, convenient.
涉及的行业门类多,品种繁杂。2。注重造型及外观工艺,结构简单,体积小。3。使用简单,方便。
The 1 involves the industry category, species complex. 2 pay attention to the shape and appearance of technology, has the advantages of simple structure, small volume. 3 the use of simple, convenient.
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