plain pressure ring 平接压力环
Pressure ring for Stuffing box 填料箱压缩环 ; 填料函压环
clutch pressure ring 离合器压环
drilled comb pressure ring 钻孔梳形压力环
non-magnetic pressure ring 非磁性压圈
With pressure ring 带压发圈
High pressure ring-shaped DTH drills are key equipment for underground high level large diameter long hole mining.
高气压环形潜孔钻机是地下矿山高阶段大直径深孔采矿的关键设备。
The reasons of frequently pressure ring ignition loss are analysed of 25mva electric furnace, and the structure is improved, the applied result is very well.
分析了25 MVA封闭电炉压力环频繁烧损的原因，并对其结构进行了改进，使用后效果良好。
Adopting linearity disperse control technique, position ring, pressure ring, rate ring, current ring constitute the more closed loop pressure regulate system.
采用线性离散控制技术，由位置环、压力环、速度环、电流环多闭环构成线性离散压力调节系统。
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