重量轻：每平方米仅重1.4公斤左右，减轻大楼负荷，使用安全，运输方便。
Light weight: per square metre weighs only about 1.4 kilograms, reducing load building, the use of safe, easy to transport.
轻负荷铰链可用于低频率使用量的门如住宅的内外门。
Light duty hinges are specified for low frequency of use such as domestic use, internal or external or external door in dwelling.
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