This article discusses the joint-types of buckle-type steel tubular scaffold, and analyzes the experiments with load-bearing capacity and load deformation.
本文对扣件式钢管脚手架杆件接头型式问题，从承载能力，受荷变形方面进行了试验和分析。
2
GFXB type blood separator is a kind of tubular separators, which is improved on the basis of much experiment with GFLB type.
GFXB型血液分离机是一种管状隔膜，这是改善的基础上，许多实验GFLB类型。
3
Low applicable head, high flow and high efficiency characterize bulb typetubular turbine unit. These kinds of units are widely used for the development of low-head water resources.