介绍了一种适用于球阀、蝶阀和旋塞阀的斜槽插板升降撑拢式阀门密封结构。
A kind of slope slots and embeded plates hoisting expanding type valve sealing mechanism which is suitable for ball valves, butterfly valves and plug valves is introduced.
基于ANSYS有限元计算，以卸船机大斜撑圆管与耳板的连接为例，探讨管与板连接的设计。
Base on FEM analysis from ANSYS, this paper discusses the design for the junction of pipe and eye plate through an example of junction of them on diagonal pipe of ship-unloader.
角撑板一种三角形的金属托架，用来加固地板托梁。
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