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Under the circumstances that the price of raw materials and production support materials is still high nowadays, the material quota-cost method is an effective cost management method that can be adopted by passenger car and component companies. This paper mainly starts from the welding and assembly process management of production support materials for passenger car body, outlines the basic principles of the material quota method, the management procedures for production support materials, the formulation of quota specifications and management contradictions, and proposes the reproducible and implementable measures and recommendations by the application of the quota-cost method for production support materials used in welding production lines in order to improve the implementation efficiency and economic benefits in the quota management of production support materials for body in white.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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