备齐所有查货资料，包括：样板、生产合约、生产制造单、色板、物料卡和资料等。
Prepare all inspection ducuments including: sample production contract production order color swatches material card and other information.
重大型装备制造需要超过单重100 t直至300 t的锻件，大锻件生产的限制性环节在于缺乏优质巨型钢锭。
To manufacture the heavy equipments demands more than 100t up to 300t forging a piece, and shortage of quality gigantic ingots is a restrictive link in production of the heavy forgings.
考虑一个单周期的生产决策模型，在该模型中有一个制造商生产两种可替代的产品。
A single period production decision model with one manufacturer who produces two substitutable products is considered in this paper.
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