molded expansion joints

molded expansion joints I must reiterate open joints are expansion joints . 英语翻译32.0 Construction of expansion joints.The materials give 英语翻译In a large structure expansion joints are always provide expansion knobby joints, stiff joints molded-in-color method of joints是什么意思 fractured joints是什么意思 molded-plastic请问是什么意思呢 strip joints 这个joints有俱乐部的意思?