The use of galvanized domestic advanced technology, and rigorous quality assurance management.
采用国内先进的镀锌工艺，和严谨的质量保证管理。
The maturing of variable frequency technology becomes an assurance for the reliable operation of a trolley type scraper.
变频调速技术的成熟是滑线式铲运机可靠工作的保证。
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