吹制和拉制的预成型体可以被冷却，涂覆聚合物涂层，和在其退出空气轴承时被串联设备切成带。
The blown and drawn pre-form may be cooled, coated with a polymer layer, and cut into a ribbon by in-line devices as it exits the air bearing.
论述了发动机轴承衬套油线拉制工具的设计及其结构，介绍了油线拉制的方法，并提出了有关注意事项。
The design and structure of the drawing tool for the engine bearing sleeve inside channel is discussed, the drawing technique introduced and the related points put forward.
其中BP-81-16包层玻璃已投入生产，它与F626/356芯玻璃组合拉制的光导纤维性能良好。
The properties of the new optical fibre made of BP-81-16 cladding glass and F626/356 core glass are satisfactory.
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