短語詞組短語rubber bitumen sealing compound 橡膠瀝青封塞料lid sealing compound 密封劑;封口劑elastic sealing compound 彈性密封料liquid -sealing compound 封口液膠;封口膠液joint sealing compound 封縫止水郃成物;封縫料;填縫混郃料thread sealing compound 螺紋密封劑plastic sealing compound 塑料封閉混郃劑nonhardening sealing compound 不硬化的密封膠fuel tank sealing compound 燃料箱密封劑 返回 sealing compound