词汇	精心选料
释义	精心选料 choice materials
随便看	semi rigid semi-rigid foam semi-rigid foundation semirigid frame semi-rigid semirigid airship semi-rigid airship semi-rigid asbestos-bitumen sheet semi-rigid asphalt pavement Semi-rigid asphalt pavement Semi-rigid asphlt pavemnt semirigid base semi rigid base semi-rigid base Semi-rigid base semi-rigid base coarse materials semi-rigid base course semi-rigid base course material semi-rigid based asphalt pavement semi-rigid base material semi-rigid basement semi-rigid base pavement semi-rigid basic semi-rigid basic unit semi-rigid basis