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工程承包商对所采购设备的结构型式、性能参数、总成配置及个性需求等以合同或标书的形式提出 ,向设备供应商择优选购 ,这就涉及到如何选型与确定技术规范的问题。1 压路机的结构选型压路机按施力原理的不同 ,分为静碾光轮压路机、轮胎压路机、振动压路机和冲击式压路机四个系
The contractor put forward the structure, performance parameters, assembly configuration and individual requirements of the purchased equipment in the form of contracts or tenders and preferentially purchase from equipment suppliers, which involves how to select and determine the technical specifications . Structure selection of a roller The selection of roller according to the different principles of force, divided into static grinding light roller, tire roller, vibratory roller and impact roller four lines