常见例句双语例句Waterproof Sealing of municipal project, sewage conduit, sealing of dilatation joint of tunnel and road project, adhesion and sealing of ceramics.市政工程、排污管道的防水密封等，隧道及道路工程的混凝土伸缩缝密封，陶瓷工程的粘接及填缝密封。 返回 dilatation joint