1)keyed beam,键接梁2)keying,键接;键控3)linkage,键接4)key rock beam,关键岩梁5)key joint,键连接;键形接头6)trim joist,托梁,承接梁
用法和例句
Based on the different roles of different rock stratums in roadway control,the actions of the key rock beam and the prestressed load-bearing frame were researched by numerical simulation.