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分析了人造玛瑙常用填料——合成氢氧化铝和试刑填料——长石的矿物、化学、粒度等,获得该类填料评价和选择的方法。
The methods of evaluating and selecting such fillers are analyzed, including the mineral, chemical and granularity of the commonly used artificial agate filler - synthetic aluminum hydroxide and trial filler - feldspar.