joint sealing material
常见例句
- The invention relates to a concrete joint plastic sealing material.
本发明涉及一种混凝土接缝塑性止水材料。
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.
一种烟筒对接用密封装置，解决传统的烟筒插接带来的插接不严，加工困难，浪费材料等问题。
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