ring dam adjustment 环形屏障调节
refractory dam ring 耐火砖挡圈
Dam ring 阻水环
exit dam ring 出口挡料圈
inlet dam ring 进口挡料圈
refractory y dam ring 耐火砖挡圈
In some application, a narrow groove is cut into the piston above the top ring to serve as a "heat dam" to reduce the amount of heat reaching the top ring.
在一些实际结构中，一条窄槽切入顶端活塞环的上部，其作用是充当“隔热槽”以减少达到顶端活塞环的热量。
The horizontal arch ring type and its shape optimization are the two important considerations in arch dam design.
拱坝水平拱圈的线型和体形优化目标选择是拱坝设计的两个重要内容。
To prevent the dam seepage, he slipped end-over-end produce concentration of outer wall will often he slipped end-over-end, known as section thickness of the local water ring.
为防止坝下涵管产生集中渗流，常将涵管的管壁外围局部加厚，称为截水环。
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