Calibration curve of natural rubber was obtained by using polystyrene standard and universal calibration methods.
天然胶的校正曲线是以标准聚苯乙烯和普用校正法获得的。
My company has many years of natural rubber at all levels - standard rubber, latex concentrate, smoke plastic (made 1, 2) and the adhesive;
我公司长年有各级天然橡胶-标胶、浓缩乳胶、烟胶（国产一级、二级）和复合胶；
My company has many years of natural rubber at all levels - standard rubber, latex concentrate, smoke plastic (made 1, 2) and the adhesive;
我公司长年有各级天然橡胶-标胶、浓缩乳胶、烟胶（国产一级、二级）和复合胶；
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