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我厂生产的石棉水泥管,其配料比例是:长纤维石棉50%中纤维石棉30%短纤维石棉20%制管机的操作是:毛毯上料层的厚度为0.25公厘,在生产卷制的过程中,施加的压力是10公斤/平方公分。在这种条件下生产出来的石棉水泥管的质量是:
The asbestos cement pipe produced by our factory has the proportions of: long-fiber asbestos 50% medium fiber asbestos 30% short fiber asbestos 20% The operation of the pipe-making machine is: the thickness of the upper layer of the felt is 0.25 mm, and the production rolling system During the process, the pressure applied was 10 kg/cm 2 . The quality of asbestos cement pipes produced under this condition is: