基本解釋[機(jī)械工程]橡膠瀝青封塞料詞組短語短語rubber -bitumen sealing compound 橡膠瀝青填縫料rubber r bitumen sealing compound 橡膠瀝青封塞料rubber bitumen sealing compound更多詞組專業(yè)釋義機(jī)械工程橡膠瀝青封塞料