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[问]我厂自使用膨润土(即酸性陶土)以来,对膨润容及(?)坭两项的试验结果总是不正确,希能协助解决。
[Q] Since the use of bentonite (ie, acid clay) in our plant, the test results of both swelling capacity and (?) 总 are always incorrect and we hope to help solve this problem.