发布时间:2025-01-20 18:23:23
钢铁企业的税前大概成本构成是:矿石及废钢等含铁原料50%;煤炭以及天然气等燃料15%;制造成本10%;折旧以及财务费及摊销13%;石灰石萤石白云石耐火砖等冶金辅料4%;人工成本及其他8%。只提问不确认佛祖不饶!
灭火器在维修并经出厂检验合格后应加贴维修合格证下列关于维修合格证说法不正确是
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