They are the yardstick or role model which other systems, companies, etc. try to match.
它们是其他系统、公司等力求达到的标准或效仿的。
Main design products is the refrigerator ice ice systems, refrigerator, a plastic etc.
主要设计的产品是冰箱制冰机，出冰系统，冰箱塑料件等。
Main design products is the refrigerator ice ice systems, refrigerator, a plastic etc.
主要设计的产品是冰箱制冰机，出冰系统，冰箱塑料件等。
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