刚性接缝 rigid joint

刚性缝 rigid joint

金刚砂切缝盘 [建] corundum disk

刚性角焊缝抗裂试验 restraint fillet weld cracking test

半刚性基层裂缝 semi-rigid base course cracks

刚性路面裂缝问题探讨 Highways & Automotive Applications