摇臂轴润滑油供油连接
rocker shaft oil supply connection
摇臂轴润滑油进油连接
rocker shaft oil feed connection
插接连接
cutting graftage connection
钢绞线搭接连接构造
linking conformation of strand tendons in crossover
管与管板连接接头
Connection Joint of Tubes and Tube Sheets
光纤对接连接器
fiber optic butting connector