只有那些由于经年使用 而严重受到磨损、或因任何方式损坏或损失重量的银币继续流通使用；将这些银币出口以及在黄金市场上销售也不值得。
Only those silver coins which were much worn by usage or in any other way defaced or reduced in weight remained in current use; it did not pay to export and to sell them on the bullion market.
检查所有部件，更换任何损坏的或磨损的部件。
Examine all parts and replace any damaged or worn components.
维修包括维修正常磨损及使用损坏的产品所需要的劳务以及配件，但不包括消耗品及它们的安装。
Service shall include the labor and parts required to repair product which has become defective through normal wear and usage. this does not include consumable and their installation.
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