spree position的用法和樣例：
例句
- For rectangular moldings the ideal position does not exist but even here the central position is often the one to be preferred.
這種理想的澆口位置對於某些形狀的塑件是可行的，比如具有圓形橫截面的情況，象杯形或圓錐形件，熔料通過底面的中點或頂點注入。 - For reducing the by-catch applying split net to TanZi net was put forward, including the rigging position and sloping angle of split net.
並提出利用分離裝置中的分離網片這項技術來減少經濟幼魚的混捕現象，在網口位置設置網簾，選擇網簾和水平面的最佳角度，來防止兼捕混雜魚和經濟小魚。
