white bole是什么意思 white bole怎么读
white bole的用法和样例
- With acid activation treatment, active white clay was produced from a bentonite ore in Shandong Province.
以山东膨润土为原料用酸活化法生产出了活性白土。 - The ammonium fluoride and ammonia closed cycle method for white carbon black production from dewaxed and deoiled waste clay.
氟化铵和氨循环法从脱腊脱油废白土中制取白炭黑。
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