The coal production variable and fixed costs of a large coal group company are distinguished by using expert division and regressive analysis method.
分别采用专家界定法和回归分析法对某大型集团公司及所属矿山煤炭生产的变动成本与固定成本进行界定。
Coal enterprises in our country are always in the more important position, and since appealing for building the large enterprise group, there are more and more merging and restructuring events.
我国的煤炭企业在我国一直处于重要地位，自从呼吁建设煤炭大企业集团以来，煤炭企业间的兼并重组事件不断。
Xi 'an heavy equipment manufacturing co., Ltd is a large-scale heavy equipment manufacturing group mainly about coal mining complete equipment, construction machinery and LED photovoltaic industry.
西安重工装备制造集团有限公司是以煤矿成套装备、工程机械设计制造和LED产品制造为主导产业的大型企业集团。
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