Ji 'nan fence wall with wedge block adjustment positioning, and nail fixed, not fixed with nails, wedge.
济南护栏上墙后用木楔块调整定位，再用射钉固定，不得用铁钉、木楔固定。
Automation production was achieved by applying ball bearing, tapered wedge and slide block mechanism to pull off the fixed mould plate and gating plate, and control the pull off distance.
利用滚珠、斜楔、滑块机构拉开定模板和浇口板并控制其拉开距离，从而达到自动生产目的。
The forked wedge-shaped plate is fixed on a machine frame to replace a seed pushing rubber strip.
将此分叉楔形板固定在机架上，取代刮种橡胶条。
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