For the sizing machine to prevent the air with the paint or glue flow into the sizing process, avoid affecting the sizing effect.
用于施胶机，防止空气随着涂料或胶料流进施胶过程，避免影响施胶效果。
For the sizing machine to prevent the air with the paint or glue flow into the sizing process, avoid affecting the sizing effect.
用于施胶机，防止空气随着涂料或胶料流进施胶过程，避免影响施胶效果。
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