This article introduces the V type adjusting hydraulic cylinder mechanical lock equipment of casing and coupling production line which imported from PMC. USA.
介绍了从美国PMC公司引进的套管接箍生产线中V型座调整机构的液压缸机械锁定装置。
The front lock cylinder is provided with double-row pin tumblers with V-shaped grooves symmetrically along the axis.
前锁芯上沿轴线对称设有带V形凹槽的双排弹子；
The welding process and method for the inverted-V gate of the permanent ship lock of Three Gorges project is outlined in this paper.
介绍了“三峡永久船闸人字门”焊接工艺过程及所采用的方法。
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