“经纱”造句

梭子是从梭口的上下两层经纱之间穿过.
The shuttle passes over the lowered ends shedunder the raised ends.

在该系统中, 经纱被送入织机.
In this system, the warp yarns are fed to the loom.

经纱应该强度高 、 弹性好 、 伸长率高,而且表面光滑.
A warp yarn should be strong, elastic, extensible and smooth.

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