Standard NIBCO iron valves are furnished with Synthetic Fibers and Graphite packing, along with Synthetic Fibre gaskets.
标准美国尼伯科铸铁阀门配置合成纤维和石墨填料，以及合成纤维垫圈。
Core spun yarn is produced by covering an elastic, rigid or semi-rigid filament with a natural, artificial or synthetic textile fibre.
在弹性、刚性或半刚性纤丝上覆盖一层天然、人工或合成纤维，就可以生产出包芯纱。
The theoretical analysis and field adjustment of a AC cascade speed regulating system with double closed-loop employed in a synthetic fibre bar making unit imported from Switzerland are conducted.
本文对一从瑞士引进的应用于合成纤维成条机的交流串级调速双闭环系统进行了理论分析与现场调试。
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