2000年5月之前缺货——一本由领先螺旋输送机制造公司的工程师根据多年经验编写的可接受工程和应用实践手册。这本书有大量插图，包含了许多关于输送机选择和螺旋输送机通常处理的物料处理特性的表格数据。注意水平、倾斜、垂直和一些特殊类型的螺旋输送机，既用于直线搬运，也用于加工。

OUT OF STOCK UNTIL MAY, 2000 - A book of acceptable engineering and application practice as compiled by engineers of leading screw conveyor manufacturing companies based on the experience of many years. The book is profusely illustrated and contains much tabular data on conveyor selection and handling characteristics of the materials ordinarily handled in screw conveyors. Attention is given to horizontal, inclined, vertical and a number of special types of screw conveyors, both for straight handling and for processing.