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本刊1975年第8期刊登了薛征同志《介绍一种护壁堵漏的方法——711型水泥速凝剂在钻探施工中的应用》一文后,我们收到了不少单位和读者来信,询问有关“711”的使用和生产问题.现据上海人民出版社出版的《科学普及资料》杂志1973年第1期《水泥速凝剂》摘要转介如下.“711”型水泥速凝剂是上海市建筑科学研究所和上海硅酸盐制品厂为了适应矿山建设
In the eighth issue of this volume published by Comrade Xue Zheng, “Introducing a method for plugging the wall—application of 711 cement quick-setting agent in drilling construction”, we received letters from many organizations and readers. With regard to the use and production of “711”, the “Clinical Popularization Materials” magazine, published by Shanghai People’s Publishing House, is now referring to the “Cement Accelerating Agent” in the first issue of 1973. The “”711" cement speed The coagulants are Shanghai Institute of Construction Science and Shanghai Silicate Products Factory in order to adapt to the construction of mines