And the effect on similar material's intensity is studied, such as the dosage of gypsum and water, retarder. A good formulation of gypsum for deep rock is found.
本文着重研究了石膏的用量、水的用量、缓凝剂对石膏相似材料强度的影响，并找到了符合深部脆性岩体性能的石膏的优良配方。
In the preparing process of the red spray print ink, we did a large number experiments by the contrast and the orthogonal means, and then selected the quite good formulation.
在配制红色喷印墨水的过程中，做了大量的对比和正交试验，进而择优选出了较佳的配方。
In the preparing process of the red spray print ink, we did a large number experiments by the contrast and the orthogonal means, and then selected the quite good formulation.
在配制红色喷印墨水的过程中，做了大量的对比和正交试验，进而择优选出了较佳的配方。
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