joint sealing material
常見例句
- The invention relates to a concrete joint plastic sealing material.
本發(fā)明涉及一種混凝土接縫塑性止水材料。
ip.com - The utility model relates to a chimney butt joint sealing device for solving the problems of untight inserting, difficult processing, material wasting of the traditional chimney inserting.
一種菸筒對(duì)接用密封裝置，解決傳統(tǒng)的菸筒插接帶來的插接不嚴(yán)，加工睏難，浪費(fèi)材料等問題。
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