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2014年9月3日,全新升级的SG21-3型平地机在山推道路机械公司下线,此次升级中,经优化及改进的部件可向全部平地机产品延伸,提高了山推全系列平地机部件的通用性和可靠性。全新SG21-3型平地机在原有成熟机型的基础上,对驾驶室和操作舒适性等方面做了显著的提升改进,主要包括:驾驶室主体结构采用异形管造型,使驾驶室外形线条更加柔和,并对前视野及密封性进行了提升,改善了驾驶室内的驾乘环境,增强了操
On September 3, 2014, the newly upgraded SG21-3 grader was rolled off at Shantui Road Machinery Co., Ltd. In the upgrade, the optimized and improved components can be extended to all grader products, improving the overall range of Shantui Generic machine components and reliability. The new SG21-3 grader based on the original mature models, the cab and operational comfort has made significant improvements, including: the main structure of the use of special-shaped cab tube shape, the cab lines more lines Soft, and the front field of vision and sealing has been improved to improve the driving environment within the cab, and enhance the operation