The geometrically combined relation of the syncline stucture with the pit controls the mechanical effect of the stuctural plane and rock mass structure. 向斜構造與采場(chǎng)的幾何組合關(guān)系控制著(zhù)結構面和巖體結構的力學(xué)效應。
Structure of coke oven bridge pipe and valve body are introduced,in which several structures are respectively reviewed.Notices for application and design are put forward. 介紹了煉焦爐中橋管與閥體結構的形式，分別對幾種結構形式加以評述，指出了今后設計時(shí)應注意的問(wèn)題。
