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本指南系约翰·克利斯勒先生于2001年来华参加中国建筑砌块协会举办的建筑砌块与砌块建筑论坛时赠送给我们的,该书由美国砌筑协会出版,根据该书的前言说明,本指南仅供参考,作者和修订者对全书内容及其使用后果不承担任何责任。现将该书的正文全部译出,以飨读者。
This guide was presented to us by John C. Chrissler when he came to China in 2001 for a building block and block building forum organized by China Building Block Association, which was published by the American Masonry Association and according to the foreword of the book This guide is for reference only. The author and the reviser are not responsible for the contents of the book and its consequences. Now the text of the book are all translated to readers.