In polymer precise-extrusion, the on-line measured extrusion flux is often the basis to regulate screw-engine rotation or tractor speed to improve product-precision.

聚合物精密挤出加工过程中，通常以在线检测的挤出流量为基准调节主机或牵引机转速等来提高挤出制品精度。

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Henceforth someone trying to build an engine could pluck a standard 8-gauge, 32-threads-per-inch machine screw off the shelf.

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