main joist of suspended ceiling的意思|示意
美 / /
英 / /
吊顶主托梁
main joist of suspended ceiling的网络常见释义
吊顶主龙骨 吊顶主龙骨 main joist of suspended ceiling; main runner; mainjoistofsuspendedceiling 钢板网吊顶 suspended expanded metal lath ceiling .