N a very thin piece of board, used for backing a picture, as a veneer, etc (镜框等的)背板
It is a penetrating analysis on the corrosion of the oilcan scaleboard.
这篇关于原油罐底板腐蚀原因的分析很透彻。
The advanced technologies to obtain the bimetals scaleboard and the bimetals jaw-crusher plate are introduced.
介绍了生产双金属复合衬板和颚板先进工艺方法以及它们的优缺点，提出了关键技术和今后的发展趋势。
A scaleboard of the small coal mine in exaltation controls the technique level, the biggest limit ground reduces a scaleboard trouble rate.
提高小煤矿的顶底板控制技术水平，最大限度地减少顶底板事故率。
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