seal with single-cone

On hot asphalt seal coat with the single particle size gravel technology

浅谈热沥青加单一粒径碎石封层技术

On the basis of the Kai Yang Expressway construction practice, the application of single hot bituminous surface treatment with premixed macadam to the lower seal coat is discussed and a foundation for the further study of bituminous seal coat design and construction given.

通过开阳高速公路下封层的施工实际，介绍和探讨预拌碎石热沥青单层表处在下封层施工中的应用，为沥青路面封层设计和施工提供有益的探索。

While there is only a single criterion in the existing bank seal automatic recognition system of market with the deficiencies of low precision.

而市场上现有的银行印鉴自动识别系统又存在判据单一、识别错误率高等缺陷。

With built-in type, single seal face and single spring, U-ring is used for rotating ring auxiliary seal, high reliable seal, fitting for high-pressure petrochemical process pump.

内装式、单端面、单弹簧、平衡型，动环辅助密封采用U形密封圈，密封可靠，适合高压石油化工流程泵。

Application of Lower Seal Coat of Single Hot Bituminous Surface Treatment with Premixed Macadam to Kai-Yang Expressway

热沥青单层表处（预拌碎石）下封层在开阳高速公路的应用