阐述了研制新型矿物填料的基本原理和加工技术。
Developing the fundamental principle and processing technology of the mineral fillers is described.
在注塑成型时，整个填料过程始终保持成型树脂高温的任何加工变化都会增加松弛作用而减少方向性。
In injection molding, any variation in processing that keeps the molding resin hot throughout filling allows increased relaxation and, therefore, decreased orientation.
闸板两侧经过精密的精磨加工工艺，能够防止密封填料和阀座的损坏。
They have a precision ground finish on both sides to prevent packing and seat damage.
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