如我所说，任何通过挤出机的东西都要先通过喂料口（管），所以这是工艺控制的一个方面。
As I said, everything that goes through the extruder goes through the feed throat first, so this can be a controlling aspect of the process.
在早期的专栏里，我讨论过喂料口(管)设计，以及它是如何影响挤出机的性能的。
In an earlier column I discussed feed throat design and how it can affect extruder performance.
过线式编织机是一种用于对冷喂料挤出成型胶管进行内层增强层施工的主要设备，现急需研制我国自主生产具有现代生产能力的编制机。
The string-passing braider is the main equipment to strengthen the inside layer of the rubber piper formed by squeezing out the gum.
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